| V-63797 | High | The system must be configured to prevent the storage of the LAN Manager hash of passwords. | The LAN Manager hash uses a weak encryption algorithm and there are several tools available that use this hash to retrieve account passwords. This setting controls whether or not a LAN Manager... |
| V-63651 | High | Solicited Remote Assistance must not be allowed. | Remote assistance allows another user to view or take control of the local session of a user. Solicited assistance is help that is specifically requested by the local user. This may allow... |
| V-63869 | High | The Debug programs user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Debug Programs" user right can attach a debugger to any process or... |
| V-63667 | High | Autoplay must be turned off for non-volume devices. | Allowing autoplay to execute may introduce malicious code to a system. Autoplay begins reading from a drive as soon as you insert media in the drive. As a result, the setup file of programs or... |
| V-63673 | High | Autoplay must be disabled for all drives. | Allowing autoplay to execute may introduce malicious code to a system. Autoplay begins reading from a drive as soon as you insert media in the drive. As a result, the setup file of programs or... |
| V-63671 | High | The default autorun behavior must be configured to prevent autorun commands. | Allowing autorun commands to execute may introduce malicious code to a system. Configuring this setting prevents autorun commands from executing. |
| V-63379 | High | The Enhanced Mitigation Experience Toolkit (EMET) v5.5 or later must be installed on the system. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63377 | High | Internet Information System (IIS) or its subcomponents must not be installed on a workstation. | Installation of Internet Information System (IIS) may allow unauthorized internet services to be hosted. Websites must only be hosted on servers that have been designed for that purpose and can... |
| V-63847 | High | The Act as part of the operating system user right must not be assigned to any groups or accounts. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Act as part of the operating system" user right can assume the... |
| V-63859 | High | The Create a token object user right must not be assigned to any groups or accounts. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Create a token object" user right allows a process to create an access token.... |
| V-63353 | High | Local volumes must be formatted using NTFS. | The ability to set access permissions and auditing is critical to maintaining the security and proper access controls of a system. To support this, volumes must be formatted using the NTFS file system. |
| V-63759 | High | Anonymous access to Named Pipes and Shares must be restricted. | Allowing anonymous access to named pipes or shares provides the potential for unauthorized system access. This setting restricts access to those defined in "Network access: Named Pipes that can... |
| V-63325 | High | The Windows Installer Always install with elevated privileges must be disabled. | Standard user accounts must not be granted elevated privileges. Enabling Windows Installer to elevate privileges when installing applications can allow malicious persons and applications to gain... |
| V-63745 | High | Anonymous enumeration of SAM accounts must not be allowed. | Anonymous enumeration of SAM accounts allows anonymous log on users (null session connections) to list all accounts names, thus providing a list of potential points to attack the system. |
| V-63749 | High | Anonymous enumeration of shares must be restricted. | Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can provide a map of potential points to attack the system. |
| V-63429 | High | Reversible password encryption must be disabled. | Storing passwords using reversible encryption is essentially the same as storing clear-text versions of the passwords. For this reason, this policy must never be enabled. |
| V-63809 | High | The Recovery Console option must be set to prevent automatic logon to the system. | If this option is enabled, the Recovery Console does not require a password and automatically logs on to the system. This could allow unauthorized administrative access to the system. |
| V-63801 | High | The LanMan authentication level must be set to send NTLMv2 response only, and to refuse LM and NTLM. | The Kerberos v5 authentication protocol is the default for authentication of users who are logging on to domain accounts. NTLM, which is less secure, is retained in later Windows versions for... |
| V-63347 | High | The Windows Remote Management (WinRM) service must not use Basic authentication. | Basic authentication uses plain text passwords that could be used to compromise a system. |
| V-63349 | High | Systems must be maintained at a supported servicing level. | Systems at unsupported servicing levels or releases will not receive security updates for new vulnerabilities which leaves them subject to exploitation.
Windows 10 is maintained by Microsoft at... |
| V-63335 | High | The Windows Remote Management (WinRM) client must not use Basic authentication. | Basic authentication uses plain text passwords that could be used to compromise a system. |
| V-63395 | Medium | The HBSS McAfee Agent must be installed. | |
| V-63413 | Medium | The period of time before the bad logon counter is reset must be configured to 15 minutes. | The account lockout feature, when enabled, prevents brute-force password attacks on the system. This parameter specifies the period of time that must pass after failed logon attempts before the... |
| V-63397 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) Default Protections for Recommended Software must be enabled. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63411 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) system-wide Structured Exception Handler Overwrite Protection (SEHOP) must be configured to Application Opt Out. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63391 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) Default Protections for Popular Software must be enabled. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63417 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) Default Actions and Mitigations Settings must enable Deep Hooks. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63415 | Medium | The password history must be configured to 24 passwords remembered. | A system is more vulnerable to unauthorized access when system users recycle the same password several times without being required to change a password to a unique password on a regularly... |
| V-63419 | Medium | The maximum password age must be configured to 60 days or less. | The longer a password is in use, the greater the opportunity for someone to gain unauthorized knowledge of the passwords. Scheduled changing of passwords hinders the ability of unauthorized... |
| V-63795 | Medium | Kerberos encryption types must be configured to prevent the use of DES and RC4 encryption suites. | Certain encryption types are no longer considered secure. This setting configures a minimum encryption type for Kerberos, preventing the use of the DES and RC4 encryption suites. |
| V-63711 | Medium | Unencrypted passwords must not be sent to third-party SMB Servers. | Some non-Microsoft SMB servers only support unencrypted (plain text) password authentication. Sending plain text passwords across the network, when authenticating to an SMB server, reduces the... |
| V-63713 | Medium | The SmartScreen filter for Microsoft Edge must be enabled. | The SmartScreen filter in Microsoft Edge provides warning messages and blocks potentially malicious websites. |
| V-63717 | Medium | The use of a hardware security device with Microsoft Passport for Work must be enabled. | The use of a Trusted Platform Module (TPM) to store keys for Microsoft Passport for Work provides additional security. Keys stored in the TPM may only be used on that system while keys stored... |
| V-63719 | Medium | The Windows SMB server must be configured to always perform SMB packet signing. | The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in preventing man-in-the-middle attacks. If this policy is enabled, the... |
| V-63655 | Medium | Client computers must be required to authenticate for RPC communication. | Configuring RPC to require authentication to the RPC Endpoint Mapper will force clients to provide authentication before RPC communication is established. |
| V-63657 | Medium | Unauthenticated RPC clients must be restricted from connecting to the RPC server. | Configuring RPC to restrict unauthenticated RPC clients from connecting to the RPC server will prevent anonymous connections. |
| V-63519 | Medium | The Application event log size must be configured to 32768 KB or greater. | Inadequate log size will cause the log to fill up quickly. This may prevent audit events from being recorded properly and require frequent attention by administrative personnel. |
| V-63427 | Medium | The built-in Microsoft password complexity filter must be enabled. | The use of complex passwords increases their strength against guessing and brute-force attacks. This setting configures the system to verify that newly created passwords conform to the Windows... |
| V-63941 | Medium | The Take ownership of files or other objects user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Take ownership of files or other objects" user right can take... |
| V-63527 | Medium | The System event log size must be configured to 32768 KB or greater. | Inadequate log size will cause the log to fill up quickly. This may prevent audit events from being recorded properly and require frequent attention by administrative personnel. |
| V-63525 | Medium | The system must be configured to use SSL to forward error reports. | The use of SSL enables the secure forwarding of error reporting data from local systems to a reporting site. |
| V-63489 | Medium | The system must be configured to save Error Reporting events and messages to the system event log. | Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. ... |
| V-63523 | Medium | The Security event log size must be configured to 196608 KB or greater. | Inadequate log size will cause the log to fill up quickly. This may prevent audit events from being recorded properly and require frequent attention by administrative personnel. |
| V-63329 | Medium | Users must be notified if a web-based program attempts to install software. | Web-based programs may attempt to install malicious software on a system. Ensuring users are notified if a web-based program attempts to install software allows them to refuse the installation. |
| V-63529 | Medium | The system must be configured to send error reports on TCP port 1232. | An error reporting site's TCP port must be defined in the local system in order to forward data from local systems via TCP. Port 1232 is the recommended port setting. |
| V-63665 | Medium | The system must be configured to require a strong session key. | A computer connecting to a domain controller will establish a secure channel. Requiring strong session keys enforces 128-bit encryption between systems. |
| V-63383 | Medium | Simple TCP/IP Services must not be installed on the system. | Some protocols and services do not support required security features, such as encrypting passwords or traffic. |
| V-63381 | Medium | Simple Network Management Protocol (SNMP) must not be installed on the system. | Some protocols and services do not support required security features, such as encrypting passwords or traffic. |
| V-63387 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) Default Protections for Internet Explorer must be enabled. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63385 | Medium | The Telnet Client must not be installed on the system. | Some protocols and services do not support required security features, such as encrypting passwords or traffic. |
| V-63389 | Medium | The TFTP Client must not be installed on the system. | Some protocols and services do not support required security features, such as encrypting passwords or traffic. |
| V-63669 | Medium | The machine inactivity limit must be set to 15 minutes, locking the system with the screensaver. | Unattended systems are susceptible to unauthorized use and should be locked when unattended. The screen saver should be set at a maximum of 15 minutes and be password protected. This protects... |
| V-63461 | Medium | The system must be configured to generate error reports. | Enabling Windows Error Reporting generates information useful to system administrators and forensics analysts for diagnosing system problems and investigating intrusions. If Windows Error... |
| V-63709 | Medium | The password manager function in the Edge browser must be disabled. | Passwords save locally for re-use when browsing may be subject to compromise. Disabling the Edge password manager will prevent this for the browser. |
| V-63707 | Medium | The Windows SMB client must be enabled to perform SMB packet signing when possible. | The server message block (SMB) protocol provides the basis for many network operations. If this policy is enabled, the SMB client will request packet signing when communicating with an SMB... |
| V-63705 | Medium | InPrivate browsing in Microsoft Edge must be disabled. | The InPrivate browsing feature in Microsoft Edge prevents the storing of history, cookies, temporary Internet files, or other data. Disabling this feature maintains this data for review as necessary. |
| V-63703 | Medium | The Windows SMB client must be configured to always perform SMB packet signing. | The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in preventing man-in-the-middle attacks. If this policy is enabled, the... |
| V-63701 | Medium | Users must not be allowed to ignore SmartScreen filter warnings for unverified files in Microsoft Edge. | The SmartScreen filter in Microsoft Edge provides warning messages and blocks potentially malicious websites and file downloads. If users are allowed to ignore warnings from the SmartScreen... |
| V-63423 | Medium | Passwords must, at a minimum, be 14 characters. | Information systems not protected with strong password schemes (including passwords of minimum length) provide the opportunity for anyone to crack the password, thus gaining access to the system... |
| V-63863 | Medium | The Create permanent shared objects user right must not be assigned to any groups or accounts. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Create permanent shared objects" user right could expose sensitive... |
| V-63861 | Medium | The Create global objects user right must only be assigned to Administrators, Service, Local Service, and Network Service. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Create global objects" user right can create objects that are... |
| V-63935 | Medium | The Profile single process user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Profile single process" user right can monitor non-system processes... |
| V-63551 | Medium | Automatic logons must be disabled. | Allowing a system to automatically log on when the machine is booted could give access to any unauthorized individual who restarts the computer. Automatic logon with administrator privileges... |
| V-63319 | Medium | Domain-joined systems must use Windows 10 Enterprise Edition. | Features such as Credential Guard uses virtualization based security to protect secrets that could be used in credential theft attacks if compromised. There are a number of system requirements... |
| V-63555 | Medium | IPv6 source routing must be configured to highest protection. | Configuring the system to disable IPv6 source routing protects against spoofing. |
| V-63493 | Medium | The system must be configured to allow a local or DOD-wide collector to request additional error reporting diagnostic data to be sent. | Sending additional error reporting data provides valuable system diagnostic and vulnerability information that would otherwise not be generated nor collected. This setting controls whether... |
| V-63559 | Medium | The system must be configured to prevent IP source routing. | Configuring the system to disable IP source routing protects against spoofing. |
| V-63497 | Medium | The system must be configured to collect multiple error reports of the same event type. | Multiple error reports of the same error type are useful in diagnosing potential system configuration issues, as well as intrusion activity. This setting controls whether error reporting collects... |
| V-63677 | Medium | Enhanced anti-spoofing when available must be enabled for facial recognition. | Enhanced anti-spoofing provides additional protections when using facial recognition with devices that support it. |
| V-63675 | Medium | The required legal notice must be configured to display before console logon. | Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access to system resources. |
| V-63375 | Medium | The Windows Remote Management (WinRM) service must not store RunAs credentials. | Storage of administrative credentials could allow unauthorized access. Disallowing the storage of RunAs credentials for Windows Remote Management will prevent them from being used with plug-ins. |
| V-63679 | Medium | Administrator accounts must not be enumerated during elevation. | Enumeration of administrator accounts when elevating can provide part of the logon information to an unauthorized user. This setting configures the system to always require users to type in a... |
| V-63371 | Medium | Accounts must be configured to require password expiration. | Passwords that do not expire increase exposure with a greater probability of being discovered or cracked. |
| V-63849 | Medium | The Adjust memory quotas for a process user right must only be assigned to Administrators, Local Service, and Network Service. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Adjust memory quotas for a process" user right can adjust memory... |
| V-63845 | Medium | The Access this computer from the network user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Access this computer from the network" user right may access... |
| V-63843 | Medium | The Access Credential Manager as a trusted caller user right must not be assigned to any groups or accounts. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Access Credential Manager as a trusted caller" user right may be... |
| V-63541 | Medium | Permissions for the System event log must prevent access by non-privileged accounts. | Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. ... |
| V-63543 | Medium | The maximum number of error reports to archive on a system must be configured to 100 or greater. | The retention of archived reports provides a history. Older reports are automatically deleted as new reports are generated once the maximum limit has been met. The archive is stored locally on... |
| V-63547 | Medium | The system must be configured to queue error reports until a local or DOD-wide collector is available. | Queueing error reports provides the ability for a system to collect reports locally or until a collection server can be contacted. Valuable system diagnostic and vulnerability information may be... |
| V-63549 | Medium | The display of slide shows on the lock screen must be disabled. | Slide shows that are displayed on the lock screen could display sensitive information to unauthorized personnel. Turning off this feature will limit access to the information to a logged on user. |
| V-63369 | Medium | The Windows Remote Management (WinRM) service must not allow unencrypted traffic. | Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this. |
| V-63689 | Medium | Explorer Data Execution Prevention must be enabled. | Data Execution Prevention (DEP) provides additional protection by performing checks on memory to help prevent malicious code from running. This setting will prevent Data Execution Prevention... |
| V-63365 | Medium | Users must not be allowed to run virtual machines in Hyper-V on the system. | Allowing other operating systems to run on a secure system may allow users to circumvent security. Hyper-V is used by the Credential Guard feature on Windows 10. Preventing users from being... |
| V-63685 | Medium | The Windows SmartScreen must be configured to require approval from an administrator before running downloaded unknown software. | Windows SmartScreen helps protect systems from programs downloaded from the internet that may be malicious. Requiring administrator approval before running unknown software will prevent users... |
| V-63683 | Medium | Windows Telemetry must be configured to the lowest level of data sent to Microsoft. | Some features may communicate with the vendor, sending system information or downloading data or components for the feature. Limiting this capability will prevent potentially sensitive... |
| V-63607 | Medium | Early Launch Antimalware, Boot-Start Driver Initialization Policy must prevent boot drivers identified as bad. | Compromised boot drivers can introduce malware prior to protection mechanisms that load after initialization. The Early Launch Antimalware driver can limit allowed drivers based on... |
| V-63917 | Medium | The Load and unload device drivers user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Load and unload device drivers" user right allows device drivers to dynamically... |
| V-63853 | Medium | The Back up files and directories user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Back up files and directories" user right can circumvent file and... |
| V-63763 | Medium | Services using Local System that use Negotiate when reverting to NTLM authentication must use the computer identity vs. authenticating anonymously. | Services using Local System that use Negotiate when reverting to NTLM authentication may gain unauthorized access if allowed to authenticate anonymously vs. using the computer identity. |
| V-63765 | Medium | NTLM must be prevented from falling back to a Null session. | NTLM sessions that are allowed to fall back to Null (unauthenticated) sessions may gain unauthorized access. |
| V-63609 | Medium | Group Policy objects must be reprocessed even if they have not changed. | Enabling this setting and then selecting the "Process even if the Group Policy objects have not changed" option ensures that the policies will be reprocessed even if none have been changed. This... |
| V-63767 | Medium | PKU2U authentication using online identities must be prevented. | PKU2U is a peer-to-peer authentication protocol. This setting prevents online identities from authenticating to domain-joined systems. Authentication will be centrally managed with Windows user... |
| V-63725 | Medium | The use of OneDrive for storage must be disabled. | OneDrive provides access to external services for data storage which must not be used. Enabling this setting will prevent such access from the OneDrive app, as well as from File Explorer. |
| V-63557 | Medium | The system must be configured to add all error reports to the queue. | Error reports are queued for sending to an error reporting site when the queueing behavior is set to Always Queue. This will maintain the reports in the queue until a connection can be made to... |
| V-63579 | Medium | The DoD Root Certificate must be installed into the Trusted Root Store. | To ensure secure DoD websites and DoD-signed code are properly validated, the system must trust the DoD Root CA 2. The DoD root certificate will ensure that the trust chain is established for... |
| V-63575 | Medium | The system must be configured to permit the default consent levels of Windows Error Reporting to override any other consent policy setting. | This setting determines the behavior of the "Configure Default Consent" setting in relation to custom consent settings. Enabling this allows the default consent levels of Windows Error Reporting... |
| V-63577 | Medium | Hardened UNC Paths must be defined to require mutual authentication and integrity for at least the \\*\SYSVOL and \\*\NETLOGON shares. | Additional security requirements are applied to Universal Naming Convention (UNC) paths specified in Hardened UNC paths before allowing access them. This aids in preventing tampering with or... |
| V-63571 | Medium | The system must be configured to automatically consent to send all data requested by a local or DOD-wide error collection site. | Configuring error reporting to send all requested data ensures all relevant data associated with the error report is captured for later analysis. This setting determines the default consent... |
| V-63573 | Medium | All Direct Access traffic must be routed through the internal network. | Routing all Direct Access traffic through the internal network allows monitoring and prevents split tunneling. |
| V-63721 | Medium | The minimum pin length for Microsoft Passport for Work must be 6 characters or greater. | Microsoft Passport for Work allows the use of PINs as well as biometrics for authentication without the sending a password to a network or website where it could be compromised. Longer minimum... |
| V-63755 | Medium | The system must be configured to prevent anonymous users from having the same rights as the Everyone group. | Access by anonymous users must be restricted. If this setting is enabled, then anonymous users have the same rights and permissions as the built-in Everyone group. Anonymous users must not have... |
| V-63751 | Medium | Indexing of encrypted files must be turned off. | Indexing of encrypted files may expose sensitive data. This setting prevents encrypted files from being indexed. |
| V-63699 | Medium | Users must not be allowed to ignore SmartScreen filter warnings for malicious websites in Microsoft Edge. | The SmartScreen filter in Microsoft Edge provides warning messages and blocks potentially malicious websites and file downloads. If users are allowed to ignore warnings from the SmartScreen... |
| V-63753 | Medium | The system must be configured to prevent the storage of passwords and credentials. | This setting controls the storage of passwords and credentials for network authentication on the local system. Such credentials must not be stored on the local machine as that may lead to account... |
| V-63695 | Medium | File Explorer shell protocol must run in protected mode. | The shell protocol will limit the set of folders applications can open when run in protected mode. Restricting files an application can open, to a limited set of folders, increases the security... |
| V-63697 | Medium | The Smart Card removal option must be configured to Force Logoff or Lock Workstation. | Unattended systems are susceptible to unauthorized use and must be locked. Configuring a system to lock when a smart card is removed will ensure the system is inaccessible when unattended. |
| V-63597 | Medium | Local administrator accounts must have their privileged token filtered to prevent elevated privileges from being used over the network on domain systems. | A compromised local administrator account can provide means for an attacker to move laterally between domain systems.
With User Account Control enabled, filtering the privileged token for... |
| V-63615 | Medium | Downloading print driver packages over HTTP must be prevented. | Some features may communicate with the vendor, sending system information or downloading data or components for the feature. Turning off this capability will prevent potentially sensitive... |
| V-63617 | Medium | Local accounts with blank passwords must be restricted to prevent access from the network. | An account without a password can allow unauthorized access to a system as only the username would be required. Password policies should prevent accounts with blank passwords from existing on a... |
| V-63425 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) Default Actions and Mitigations Settings must enable Anti Detours. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63591 | Medium | Wi-Fi Sense must be disabled. | Wi-Fi Sense automatically connects the system to known hotspots and networks that contacts have shared. It also allows the sharing of the system's known networks to contacts. Automatically... |
| V-63761 | Medium | The system must be configured to use the Classic security model. | Windows includes two network-sharing security models - Classic and Guest only. With the Classic model, local accounts must be password protected; otherwise, anyone can use guest user accounts to... |
| V-63613 | Medium | Group Policies must be refreshed in the background if the user is logged on. | If this setting is enabled, then Group Policy settings are not refreshed while a user is currently logged on. This could lead to instances when a user does not have the latest changes to a policy... |
| V-63851 | Medium | The Allow log on locally user right must only be assigned to the Administrators and Users groups. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Allow log on locally" user right can log on interactively to a system. |
| V-63829 | Medium | User Account Control must run all administrators in Admin Approval Mode, enabling UAC. | User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting enables UAC. |
| V-63321 | Medium | Users must be prevented from changing installation options. | Installation options for applications are typically controlled by administrators. This setting prevents users from changing installation options that may bypass security features. |
| V-63827 | Medium | User Account Control must only elevate UIAccess applications that are installed in secure locations. | User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures Windows to only allow... |
| V-63825 | Medium | User Account Control must be configured to detect application installations and prompt for elevation. | User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting requires Windows to respond to... |
| V-63821 | Medium | User Account Control must automatically deny elevation requests for standard users. | User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. Denying elevation requests from standard user... |
| V-63857 | Medium | The Create a pagefile user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Create a pagefile" user right can change the size of a pagefile,... |
| V-63723 | Medium | The Windows SMB server must perform SMB packet signing when possible. | The server message block (SMB) protocol provides the basis for many network operations. Digitally signed SMB packets aid in preventing man-in-the-middle attacks. If this policy is enabled, the... |
| V-63569 | Medium | Insecure logons to an SMB server must be disabled. | Insecure guest logons allow unauthenticated access to shared folders. Shared resources on a system must require authentication to establish proper access. |
| V-63631 | Medium | Connected users on domain-joined computers must not be enumerated. | The username is one part of logon credentials that could be used to gain access to a system. Preventing the enumeration of users limits this information to unauthorized personnel. |
| V-63561 | Medium | The maximum number of error reports to queue on a system must be configured to 50 or greater. | The error reporting queue is stored locally on the system and contains the error reports until they have been manually removed or automatically sent to the local collector or DOD-wide collector... |
| V-63855 | Medium | The Change the system time user right must only be assigned to Administrators and Local Service. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Change the system time" user right can change the system time,... |
| V-63743 | Medium | Attachments must be prevented from being downloaded from RSS feeds. | Attachments from RSS feeds may not be secure. This setting will prevent attachments from being downloaded from RSS feeds. |
| V-63741 | Medium | Remote Desktop Services must be configured with the client connection encryption set to the required level. | Remote connections must be encrypted to prevent interception of data or sensitive information. Selecting "High Level" will ensure encryption of Remote Desktop Services sessions in both directions. |
| V-63747 | Medium | Basic authentication for RSS feeds over HTTP must not be used. | Basic authentication uses plain text passwords that could be used to compromise a system. |
| V-63505 | Medium | The system must be configured to prevent the display of error messages to the user. | Displaying error messages to users provides them the option of sending the reports. Error reports should be sent silently, unknown to the user. This setting controls whether users are shown an... |
| V-63621 | Medium | Web publishing and online ordering wizards must be prevented from downloading a list of providers. | Some features may communicate with the vendor, sending system information or downloading data or components for the feature. Turning off this capability will prevent potentially sensitive... |
| V-63585 | Medium | Connections to non-domain networks when connected to a domain authenticated network must be blocked. | Multiple network connections can provide additional attack vectors to a system and should be limited. When connected to a domain, communication must go through the domain connection. |
| V-63587 | Medium | The DoD Interoperability Root CA 1 to DoD Root CA 2 cross certificate must be installed into the Untrusted Certificates Store. | To ensure users do not experience denial of service on NIPRNet when performing certificate-based authentication to DoD websites due to the system chaining to a root other than DoD Root CA 2, the... |
| V-63939 | Medium | The Restore files and directories user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Restore files and directories" user right can circumvent file and... |
| V-63581 | Medium | Simultaneous connections to the Internet or a Windows domain must be limited. | Multiple network connections can provide additional attack vectors to a system and must be limited. |
| V-63627 | Medium | Systems must at least attempt device authentication using certificates. | Using certificates to authenticate devices to the domain provides increased security over passwords. By default systems will attempt to authenticate using certificates and fall back to passwords... |
| V-63583 | Medium | The External CA Root Certificate must be installed into the Trusted Root Store. | To ensure secure websites protected with ECA server certificates on NIPRNet are properly validated, the system must trust the ECA Root CA 2. The ECA root certificate will ensure the trust chain is... |
| V-63629 | Medium | The network selection user interface (UI) must not be displayed on the logon screen. | Enabling interaction with the network selection UI allows users to change connections to available networks without signing into Windows. |
| V-63421 | Medium | The minimum password age must be configured to at least 1 day. | Permitting passwords to be changed in immediate succession within the same day allows users to cycle passwords through their history database. This enables users to effectively negate the purpose... |
| V-63931 | Medium | The Modify firmware environment values user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Modify firmware environment values" user right can change hardware... |
| V-63589 | Medium | The US DoD CCEB Interoperability Root CA 1 to DoD Root CA 2 cross-certificate must be installed into the Untrusted Certificates Store. | To ensure users do not experience denial of service on NIPRNet when performing certificate-based authentication to DoD websites due to the system chaining to a root other than DoD Root CA 2, the... |
| V-63933 | Medium | The Perform volume maintenance tasks user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Perform volume maintenance tasks" user right can manage volume and... |
| V-63831 | Medium | User Account Control must virtualize file and registry write failures to per-user locations. | User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures non-UAC compliant... |
| V-63937 | Medium | The Replace a process level token user right must only be assigned to Local Service and Network Service. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Replace a process level token" user right allows one process or service to start... |
| V-63865 | Medium | The Create symbolic links user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Create symbolic links" user right can create pointers to other... |
| V-63565 | Medium | The system must be configured to attempt to forward queued error reports once a day. | Error reports stored in the queue should be forwarded to a local or DOD-wide collection site when the system can connect to the site. This setting controls the frequency a system will use to try... |
| V-63539 | Medium | The system must be configured to store all data in the error report archive. | The error reporting archive is stored locally on the system and is created after an error report has been sent to the local collector or DOD-wide collector (if defined). Storing all data,... |
| V-63533 | Medium | Permissions for the Application event log must prevent access by non-privileged accounts. | Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. ... |
| V-63535 | Medium | The system must be configured to archive error reports. | The error reporting archive is stored locally on the system, and is created after an error report has been sent to the local collector or DOD-wide collector (if defined). This creates a backup of... |
| V-63537 | Medium | Permissions for the Security event log must prevent access by non-privileged accounts. | Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. ... |
| V-63737 | Medium | The Remote Desktop Session Host must require secure RPC communications. | Allowing unsecure RPC communication exposes the system to man in the middle attacks and data disclosure attacks. A man in the middle attack occurs when an intruder captures packets between a... |
| V-63735 | Medium | The service principal name (SPN) target name validation level must be configured to Accept if provided by client. | If a service principle name (SPN) is provided by the client, it is validated against the server's list of SPNs, aiding in the prevention of spoofing. |
| V-63929 | Medium | The Modify an object label user right must not be assigned to any groups or accounts. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Modify an object label" user right can change the integrity label... |
| V-63733 | Medium | Remote Desktop Services must always prompt a client for passwords upon connection. | This setting controls the ability of users to supply passwords automatically as part of their remote desktop connection. Disabling this setting would allow anyone to use the stored credentials in... |
| V-63731 | Medium | Local drives must be prevented from sharing with Remote Desktop Session Hosts. | Preventing users from sharing the local drives on their client computers to Remote Session Hosts that they access helps reduce possible exposure of sensitive data. |
| V-63639 | Medium | Outgoing secure channel traffic must be encrypted or signed. | Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not all information is encrypted. If this policy is enabled, outgoing secure... |
| V-63637 | Medium | Signing in using a PIN must be turned off. | Strong sign-on must be used to protect a system. The PIN feature is limited to 4 numbers and caches the domain password in the system vault. |
| V-63433 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) Default Actions and Mitigations Settings must enable Banned Functions. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63633 | Medium | Local users on domain-joined computers must not be enumerated. | The username is one part of logon credentials that could be used to gain access to a system. Preventing the enumeration of users limits this information to authorized personnel. |
| V-63925 | Medium | The Lock pages in memory user right must not be assigned to any groups or accounts. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Lock pages in memory" user right allows physical memory to be assigned to... |
| V-63635 | Medium | Audit policy using subcategories must be enabled. | Maintaining an audit trail of system activity logs can help identify configuration errors, troubleshoot service disruptions, and analyze compromises that have occurred, as well as detect attacks. ... |
| V-63803 | Medium | The system must be configured to the required LDAP client signing level. | This setting controls the signing requirements for LDAP clients. This setting must be set to Negotiate signing or Require signing, depending on the environment and type of LDAP server in use. |
| V-63805 | Medium | The system must be configured to meet the minimum session security requirement for NTLM SSP based clients. | Microsoft has implemented a variety of security support providers for use with RPC sessions. All of the options must be enabled to ensure the maximum security level. |
| V-63807 | Medium | The system must be configured to meet the minimum session security requirement for NTLM SSP based servers. | Microsoft has implemented a variety of security support providers for use with RPC sessions. All of the options must be enabled to ensure the maximum security level. |
| V-63927 | Medium | The Manage auditing and security log user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Manage auditing and security log" user right can manage the... |
| V-63881 | Medium | The Enable computer and user accounts to be trusted for delegation user right must not be assigned to any groups or accounts. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Enable computer and user accounts to be trusted for delegation" user right allows... |
| V-63883 | Medium | The Force shutdown from a remote system user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Force shutdown from a remote system" user right can remotely shut... |
| V-63887 | Medium | The Generate security audits user right must only be assigned to Local Service and Network Service. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Generate security audits" user right specifies users and processes that can... |
| V-63341 | Medium | The Windows Remote Management (WinRM) client must not use Digest authentication. | Digest authentication is not as strong as other options and may be subject to man-in-the-middle attacks. |
| V-63889 | Medium | The Impersonate a client after authentication user right must only be assigned to Administrators, Service, Local Service, and Network Service. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
The "Impersonate a client after authentication" user right allows a program to... |
| V-63437 | Medium | The Windows Error Reporting Service must be running and configured to start automatically. | Windows Error Reporting information can be used to help diagnose day-to-day software issues, as well as help discover malicious code and possibly zero-day attacks on systems. |
| V-63405 | Medium | The lockout duration must be configured to require an administrator to unlock an account. | The account lockout feature, when enabled, prevents brute-force password attacks on the system. This parameter specifies the amount of time that an account will remain locked after the specified... |
| V-63407 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) system-wide Data Execution Prevention (DEP) must be enabled and configured to at least Application Opt Out. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63401 | Medium | The Enhanced Mitigation Experience Toolkit (EMET) system-wide Address Space Layout Randomization (ASLR) must be enabled and configured to Application Opt In. | Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention... |
| V-63799 | Medium | The system must be configured to force users to log off when their allowed logon hours expire. | Limiting logon hours can help protect data by only allowing access during specified times. This setting controls whether or not users are forced to log off when their allowed logon hours expire. ... |
| V-63409 | Medium | The number of allowed bad logon attempts must be configured to 3 or less. | The account lockout feature, when enabled, prevents brute-force password attacks on the system. The higher this value is, the less effective the account lockout feature will be in protecting the... |
| V-63817 | Medium | User Account Control approval mode for the built-in Administrator must be enabled. | User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the built-in... |
| V-63649 | Medium | The user must be prompted for a password on resume from sleep (plugged in). | Authentication must always be required when accessing a system. This setting ensures the user is prompted for a password on resume from sleep (plugged in). |
| V-63813 | Medium | The system must be configured to require case insensitivity for non-Windows subsystems. | This setting controls the behavior of non-Windows subsystems when dealing with the case of arguments or commands. Case sensitivity could lead to the access of files or commands that must be... |
| V-63811 | Medium | The system must be configured to use FIPS-compliant algorithms for encryption, hashing, and signing. | This setting ensures that the system uses algorithms that are FIPS-compliant for encryption, hashing, and signing. FIPS-compliant algorithms meet specific standards established by the U.S.... |
| V-63643 | Medium | Outgoing secure channel traffic must be encrypted when possible. | Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but not all information is encrypted. If this policy is enabled, outgoing secure... |
| V-63641 | Medium | The system must be configured to block untrusted fonts from loading. | Attackers may use fonts that include malicious code to compromise a system. This setting will prevent untrusted fonts, processed by the Graphics Device Interface (GDI), from loading if installed... |
| V-63647 | Medium | Outgoing secure channel traffic must be signed when possible. | Requests sent on the secure channel are authenticated, and sensitive information (such as passwords) is encrypted, but the channel is not integrity checked. If this policy is enabled, outgoing... |
| V-63729 | Medium | Passwords must not be saved in the Remote Desktop Client. | Saving passwords in the Remote Desktop Client could allow an unauthorized user to establish a remote desktop session to another system. The system must be configured to prevent users from saving... |
| V-63645 | Medium | Users must be prompted for a password on resume from sleep (on battery). | Authentication must always be required when accessing a system. This setting ensures the user is prompted for a password on resume from sleep (on battery). |
| V-63819 | Medium | User Account Control must, at minimum, prompt administrators for consent on the secure desktop. | User Account Control (UAC) is a security mechanism for limiting the elevation of privileges, including administrative accounts, unless authorized. This setting configures the elevation... |
| V-63623 | Medium | Printing over HTTP must be prevented. | Some features may communicate with the vendor, sending system information or downloading data or components for the feature. Turning off this capability will prevent potentially sensitive... |
| V-63333 | Medium | Automatically signing in the last interactive user after a system-initiated restart must be disabled. | Windows can be configured to automatically sign the user back in after a Windows Update restart. Some protections are in place to help ensure this is done in a secure fashion; however, disabling... |
| V-63339 | Medium | The Windows Remote Management (WinRM) client must not allow unencrypted traffic. | Unencrypted remote access to a system can allow sensitive information to be compromised. Windows remote management connections must be encrypted to prevent this. |
| V-63891 | Medium | The Increase scheduling priority user right must only be assigned to the Administrators group. | Inappropriate granting of user rights can provide system, administrative, and other high level capabilities.
Accounts with the "Increase scheduling priority" user right can change a scheduling... |
| V-63659 | Low | The setting to allow Microsoft accounts to be optional for modern style apps must be enabled. | Control of credentials and the system must be maintained within the enterprise. Enabling this setting allows enterprise credentials to be used with modern style apps that support this, instead of... |
| V-63715 | Low | The amount of idle time required before suspending a session must be configured to 15 minutes or less. | Open sessions can increase the avenues of attack on a system. This setting is used to control when a computer disconnects an inactive SMB session. If client activity resumes, the session is... |
| V-63653 | Low | The computer account password must not be prevented from being reset. | Computer account passwords are changed automatically on a regular basis. Disabling automatic password changes can make the system more vulnerable to malicious access. Frequent password changes... |
| V-63661 | Low | The maximum age for machine account passwords must be configured to 30 days or less. | Computer account passwords are changed automatically on a regular basis. This setting controls the maximum password age that a machine account may have. This setting must be set to no more than... |
| V-63663 | Low | The Application Compatibility Program Inventory must be prevented from collecting data and sending the information to Microsoft. | Some features may communicate with the vendor, sending system information or downloading data or components for the feature. Turning off this capability will prevent potentially sensitive... |
| V-63687 | Low | Caching of logon credentials must be limited. | The default Windows configuration caches the last logon credentials for users who log on interactively to a system. This feature is provided for system availability reasons, such as the user's... |
| V-63681 | Low | The Windows dialog box title for the legal banner must be configured. | Failure to display the logon banner prior to a logon attempt will negate legal proceedings resulting from unauthorized access to system resources. |
| V-63727 | Low | Users must be forcibly disconnected when their logon hours expire. | Users must not be permitted to remain logged on to the network after they have exceeded their permitted logon hours. In many cases, this indicates that a user forgot to log off before leaving for... |
| V-63691 | Low | Turning off File Explorer heap termination on corruption must be disabled. | Legacy plug-in applications may continue to function when a File Explorer session has become corrupt. Disabling this feature will prevent this. |
| V-63693 | Low | Domain Controller authentication must not be required to unlock the workstation. | This setting controls the behavior of the system when there is an attempt to unlock the workstation. If this setting is enabled, the system will pass the credentials to the domain controller (if... |
| V-63563 | Low | The system must be configured to prevent Internet Control Message Protocol (ICMP) redirects from overriding Open Shortest Path First (OSPF) generated routes. | Allowing ICMP redirect of routes can lead to traffic not being routed properly. When disabled, this forces ICMP to be routed via shortest path first. |
| V-63567 | Low | The system must be configured to ignore NetBIOS name release requests except from WINS servers. | Configuring the system to ignore name release requests, except from WINS servers, prevents a denial of service (DoS) attack. The DoS consists of sending a NetBIOS name release request to the... |
| V-63815 | Low | The default permissions of global system objects must be increased. | Windows systems maintain a global list of shared system resources such as DOS device names, mutexes, and semaphores. Each type of object is created with a default DACL that specifies who can... |
