| V-81733 | High | The macOS system must be integrated into a directory services infrastructure. | Distinct user account databases on each separate system cause problems with username and password policy enforcement. Most approved directory services infrastructure solutions allow centralized... |
| V-81729 | High | The macOS system must use a DoD antivirus program. | An approved antivirus product must be installed and configured to run.
Malicious software can establish a base on individual desktops and servers. Employing an automated mechanism to detect this... |
| V-81645 | High | The macOS system must not use unencrypted FTP. | The "ftp" service must be disabled as it sends all data in a clear-text form that can be easily intercepted and read. The data needs to be protected at all times during transmission, and... |
| V-81643 | High | The macOS system must not use telnet. | The "telnet" service must be disabled as it sends all data in a clear-text form that can be easily intercepted and read. The data needs to be protected at all times during transmission, and... |
| V-81555 | High | The macOS system must have the security assessment policy subsystem enabled. | Any changes to the hardware, software, and/or firmware components of the information system and/or application can potentially have significant effects on the overall security of the... |
| V-81477 | High | The macOS system must implement DoD-approved encryption to protect the confidentiality and integrity of remote access sessions including transmitted data and data during preparation for transmission. | Without confidentiality and integrity protection mechanisms, unauthorized individuals may gain access to sensitive information via a remote access session.
Remote access is access to DoD... |
| V-81479 | High | The macOS system must be configured to disable rshd service. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81679 | High | The macOS system must be configured with the sudoers file configured to authenticate users on a per -tty basis. | The "sudo" command must be configured to prompt for the administrator's password at least once in each newly opened Terminal window or remote logon session, as this prevents a malicious user from... |
| V-81615 | High | The macOS system must not have a guest account. | Only authorized individuals should be allowed to obtain access to operating system components. Permitting access via a guest account provides unauthenticated access to any person. |
| V-81617 | High | The macOS system must unload tftpd. | The "tftp" service must be disabled as it sends all data in a clear-text form that can be easily intercepted and read. The data needs to be protected at all times during transmission, and... |
| V-81501 | Medium | The macOS system must automatically remove or disable temporary user accounts after 72 hours. | If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be targeted by attackers to gain unauthorized access. To mitigate this risk, automated... |
| V-81503 | Medium | The macOS system must automatically remove or disable emergency accounts after the crisis is resolved or within 72 hours. | Emergency administrator accounts are privileged accounts established in response to crisis situations where the need for rapid account activation is required. Therefore, emergency account... |
| V-81505 | Medium | The macOS system must generate audit records for all account creations, modifications, disabling, and termination events; privileged activities or other system-level access; all kernel module load, unload, and restart actions; all program initiations; and organizationally defined events for all non-local maintenance and diagnostic sessions. | Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an... |
| V-81507 | Medium | The macOS system must be configured to disable SMB File Sharing unless it is required. | File Sharing is usually non-essential and must be disabled if not required. Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface... |
| V-81509 | Medium | The macOS system must be configured to disable Apple File (AFP) Sharing. | File Sharing is non-essential and must be disabled. Enabling any service increases the attack surface for an intruder. By disabling unnecessary services, the attack surface is minimized. |
| V-81625 | Medium | The macOS system must disable iCloud document synchronization. | Operating systems are capable of providing a wide variety of functions and services. Some of the functions and services provided by default may not be necessary to support essential organizational... |
| V-81481 | Medium | The macOS system must enforce requirements for remote connections to the information system. | The Screen Sharing feature allows remote users to view or control the desktop of the current user. A malicious user can take advantage of screen sharing to gain full access to the system remotely,... |
| V-81627 | Medium | The macOS system must disable iCloud bookmark synchronization. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81621 | Medium | The macOS system must disable iCloud Back to My Mac feature. | The Back to My Mac is an iCloud feature permitting users to connect to a Mac, AirPort Disk, or Time Capsule using another Mac or another Internet connected device. When connected users can... |
| V-81623 | Medium | The macOS system must disable iCloud Keychain synchronization. | Requiring individuals to be authenticated with an individual authenticator prior to using a group authenticator allows for traceability of actions, as well as adding an additional level of... |
| V-81629 | Medium | The macOS system must disable iCloud Photo Library. | To support the requirements and principles of least functionality, the operating system must support the organizational requirements, providing only essential capabilities and limiting the use of... |
| V-81749 | Medium | The macOS system must enable certificate for smartcards. | To prevent untrusted certificates the certificates on a smartcard card must be valid in these ways: its issuer is system-trusted, the certificate is not expired, its "valid-after" date is in the... |
| V-81747 | Medium | The macOS system must be configured to lock the user session when a smart token is removed. | A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the... |
| V-81745 | Medium | The macOS system must audit the enforcement actions used to restrict access associated with changes to the system. | By auditing access restriction enforcement, changes to application and OS configuration files can be audited. Without auditing the enforcement of access restrictions, it will be difficult to... |
| V-81743 | Medium | The macOS system must be configured with access control lists (ACLs) for system log files to be set correctly. | System logs should only be readable by root or admin users. System logs frequently contain sensitive information that could be used by an attacker. Setting the correct ACLs mitigates this risk. |
| V-81741 | Medium | The macOS system must be configured with system log files set to mode 640 or less permissive. | System logs should only be readable by root or admin users. System logs frequently contain sensitive information that could be used by an attacker. Setting the correct permissions mitigates this risk. |
| V-81641 | Medium | The macOS system must enforce a minimum 15-character password length. | The minimum password length must be set to 15 characters. Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force... |
| V-81539 | Medium | The macOS system must be configured with audit log files owned by root. | The audit service must be configured to create log files with the correct ownership to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and users.... |
| V-81535 | Medium | The macOS system must provide an immediate real-time alert to the System Administrator (SA) and Information System Security Officer (ISSO), at a minimum, of all audit failure events requiring real-time alerts. | The audit service should be configured to immediately print messages to the console or email administrator users when an auditing failure occurs. It is critical for the appropriate personnel to be... |
| V-81537 | Medium | The macOS system must, for networked systems, compare internal information system clocks at least every 24 hours with a server that is synchronized to one of the redundant United States Naval Observatory (USNO) time servers or a time server designated for the appropriate DoD network (NIPRNet/SIPRNet) and/or the Global Positioning System (GPS). | Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the correct time a particular event occurred on a system is critical when... |
| V-81531 | Medium | The macOS system must allocate audit record storage capacity to store at least one weeks worth of audit records when audit records are not immediately sent to a central audit record storage facility. | The audit service must be configured to require that records are kept for seven days or longer before deletion when there is no central audit record storage facility. When "expire-after" is set to... |
| V-81533 | Medium | The macOS system must provide an immediate warning to the System Administrator (SA) and Information System Security Officer (ISSO) (at a minimum) when allocated audit record storage volume reaches 75 percent of repository maximum audit record storage capacity. | The audit service must be configured to require a minimum percentage of free disk space in order to run. This ensures that audit will notify the administrator that action is required to free up... |
| V-81633 | Medium | The macOS system must require individuals to be authenticated with an individual authenticator prior to using a group authenticator. | Administrators must never log in directly as root. To assure individual accountability and prevent unauthorized access, logging in as root over a remote connection must be disabled. Administrators... |
| V-81631 | Medium | The macOS system must disable iCloud Desktop And Documents. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81637 | Medium | The macOS system must enforce password complexity by requiring that at least one numeric character be used. | Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, or strength, is a measure of the effectiveness of a password in... |
| V-81635 | Medium | The macOS system must implement NSA-approved cryptography to protect classified information in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards. | Use of weak or untested encryption algorithms undermines the purposes of using encryption to protect data. The operating system must implement cryptographic modules adhering to the higher... |
| V-81639 | Medium | The macOS system must enforce password complexity by requiring that at least one special character be used. | Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity or strength is a measure of the effectiveness of a password in resisting... |
| V-81739 | Medium | The macOS system must be configured with system log files owned by root and group-owned by wheel or admin. | System logs should only be readable by root or admin users. System logs frequently contain sensitive information that could be used by an attacker. Setting the correct owner mitigates this risk. |
| V-81737 | Medium | The macOS system must prohibit password reuse for a minimum of five generations. | Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute-force attacks. If the information system or application allows the... |
| V-81735 | Medium | The macOS system must enforce a 60-day maximum password lifetime restriction. | Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed periodically.
One method of minimizing this risk is to use complex passwords and... |
| V-81529 | Medium | The macOS system must enable System Integrity Protection. | The System Integrity Protection is vital to prevent unauthorized and unintended information transfer via shared system resources, protect audit tools from unauthorized access, modification, and... |
| V-81523 | Medium | The macOS system must be configured so that any connection to the system must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the system. | Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal... |
| V-81521 | Medium | The macOS system must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the system via SSH. | Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal... |
| V-81527 | Medium | The macOS system must initiate session audits at system startup, using internal clocks with time stamps for audit records that meet a minimum granularity of one second and can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT), in order to generate audit records containing information to establish what type of events occurred, the identity of any individual or process associated with the event, including individual identities of group account users, establish where the events occurred, source of the event, and outcome of the events including all account enabling actions, full-text recording of privileged commands, and information about the use of encryption for access wireless access to and from the system. | Without establishing what type of events occurred, when they occurred, and by whom it would be difficult to establish, correlate, and investigate the events leading up to an outage or... |
| V-81525 | Medium | The macOS system must generate audit records for DoD-defined events such as successful/unsuccessful logon attempts, successful/unsuccessful direct access attempts, starting and ending time for user access, and concurrent logons to the same account from different sources. | Without generating audit records that are specific to the security and mission needs of the organization, it would be difficult to establish, correlate, and investigate the events relating to an... |
| V-81647 | Medium | The macOS system must allow only applications downloaded from the App Store or properly signed to run. | Gatekeeper settings must be configured correctly to only allow the system to run applications downloaded from the Mac App Store or applications signed with a valid Apple Developer ID code.... |
| V-81487 | Medium | The macOS system must be configured with Infrared [IR] support disabled. | IR kernel support must be disabled to prevent users from controlling the system with IR devices. By default, if IR is enabled, the system will accept IR control from any remote device. |
| V-81489 | Medium | The macOS system must be configured with automatic actions disabled for blank CDs. | Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti-virus software and allows malicious users to craft disks that can exploit... |
| V-81721 | Medium | The macOS system must enforce an account lockout time period of 15 minutes in which a user makes three consecutive invalid logon attempts. | Setting a lockout time period of 15 minutes is an effective deterrent against brute forcing that also makes allowances for legitimate mistakes by users. When three invalid logon attempts are made,... |
| V-81723 | Medium | The macOS system must enforce account lockout after the limit of three consecutive invalid logon attempts by a user. | By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute forcing, is reduced. Limits are imposed by locking the account. |
| V-81725 | Medium | The macOS system must enforce the limit of three consecutive invalid logon attempts by a user before the user account is locked. | By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise known as brute forcing, is reduced. Limits are imposed by locking the... |
| V-81649 | Medium | The macOS system must be configured so that end users cannot override Gatekeeper settings. | Gatekeeper must be configured with a configuration profile to prevent regular users from overriding its setting. If regular users are allowed to disable Gatekeeper or set it to a less restrictive... |
| V-81727 | Medium | The macOS system must shut down by default upon audit failure (unless availability is an overriding concern). | The audit service should shut down the computer if it is unable to audit system events. Once audit failure occurs, user and system activity is no longer recorded and malicious activity could go... |
| V-81549 | Medium | The macOS system must be configured with audit log folders set to mode 700 or less permissive. | The audit service must be configured to create log folders with the correct permissions to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and... |
| V-81715 | Medium | The macOS system must have unused network devices disabled. | If an unused network device is left enabled, a user might be able to activate it at a later time. Unused network devices should be disabled. |
| V-81717 | Medium | The macOS system must be configured to disable Internet Sharing. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81485 | Medium | The macOS system must be configured with Wi-Fi support software disabled. | Use of Wi-Fi to connect to unauthorized networks may facilitate the exfiltration of mission data.
Satisfies: SRG-OS-000300-GPOS-00118, SRG-OS-000480-GPOS-00227 |
| V-81711 | Medium | The macOS system must prevent local applications from generating source-routed packets. | A source-routed packet attempts to specify the network path that the system should take. If the system is not configured to block the sending of source-routed packets, an attacker can redirect the... |
| V-81553 | Medium | The macOS system must be configured so that log folders must not contain access control lists (ACLs). | The audit service must be configured to create log folders with the correct permissions to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and... |
| V-81551 | Medium | The macOS system must be configured so that log files must not contain access control lists (ACLs). | The audit service must be configured to create log files with the correct permissions to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and... |
| V-81655 | Medium | The macOS system must be configured with the SSH daemon LoginGraceTime set to 30 or less. | SSH should be configured to log users out after a 15-minute interval of inactivity and to wait only 30 seconds before timing out logon attempts. Terminating an idle session within a short time... |
| V-81657 | Medium | The macOS system must issue or obtain public key certificates under an appropriate certificate policy from an approved service provider. | DoD-approved certificates must be installed to the System Keychain so they will be available to all users.
For user certificates, each organization obtains certificates from an approved, shared... |
| V-81651 | Medium | The macOS system must be configured with the SSH daemon ClientAliveInterval option set to 900 or less. | SSH should be configured to log users out after a 15-minute interval of inactivity and to wait only 30 seconds before timing out logon attempts. Terminating an idle session within a short time... |
| V-81499 | Medium | The macOS system must be configured with automatic actions disabled for video DVDs. | Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti-virus software and allows malicious users to craft disks that can exploit... |
| V-81497 | Medium | The macOS system must be configured with automatic actions disabled for picture CDs. | Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti-virus software and allows malicious users to craft disks that can exploit... |
| V-81493 | Medium | The macOS system must be configured with automatic actions disabled for music CDs. | Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti-virus software and allows malicious users to craft disks that can exploit... |
| V-81491 | Medium | The macOS system must be configured with automatic actions disabled for blank DVDs. | Applications should not be configured to launch automatically when a disk is inserted. This potentially circumvents anti-virus software and allows malicious users to craft disks that can exploit... |
| V-81467 | Medium | The macOS system must be configured to prevent Apple Watch from terminating a session lock. | Users must be prompted to enter their passwords when unlocking the screen saver. The screen saver acts as a session lock and prevents unauthorized users from accessing the current user's account. |
| V-81465 | Medium | The macOS system must be configured to disable hot corners. | Although hot corners can be used to initiate a session lock or launch useful applications, they can also be configured to disable an automatic session lock from initiating. Such a configuration... |
| V-81469 | Medium | The macOS system must initiate a session lock after a 15-minute period of inactivity. | A screen saver must be enabled and set to require a password to unlock. The timeout should be set to 15 minutes of inactivity. This mitigates the risk that a user might forget to manually lock the... |
| V-81703 | Medium | The macOS system must not have IP forwarding for IPv6 enabled. | IP forwarding for IPv6 must not be enabled, as only authorized systems should be permitted to operate as routers. |
| V-81701 | Medium | The macOS system must not have IP forwarding for IPv4 enabled. | IP forwarding for IPv4 must not be enabled, as only authorized systems should be permitted to operate as routers. |
| V-81707 | Medium | The macOS system must not send IPv6 ICMP redirects by default. | ICMP redirects are broadcast to reshape network traffic. A malicious user could use the system to send fake redirect packets and try to force all network traffic to pass through a network sniffer.... |
| V-81705 | Medium | The macOS system must not send IPv4 ICMP redirects by default. | ICMP redirects are broadcast to reshape network traffic. A malicious user could use the system to send fake redirect packets and try to force all network traffic to pass through a network sniffer.... |
| V-81545 | Medium | The macOS system must be configured with audit log folders group-owned by wheel. | The audit service must be configured to create log files with the correct group ownership to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and... |
| V-81547 | Medium | The macOS system must be configured with audit log files set to mode 440 or less permissive. | The audit service must be configured to create log files with the correct permissions to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and about... |
| V-81541 | Medium | The macOS system must be configured with audit log folders owned by root. | The audit service must be configured to create log files with the correct ownership to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and about... |
| V-81543 | Medium | The macOS system must be configured with audit log files group-owned by wheel. | The audit service must be configured to create log files with the correct group ownership to prevent regular users from reading audit logs. Audit logs contain sensitive data about the system and... |
| V-81661 | Medium | The macOS system must employ automated mechanisms to determine the state of system components with regard to flaw remediation using the following frequency: continuously where HBSS is used; 30 days for any additional internal network scans not covered by HBSS; and annually for external scans by Computer Network Defense Service Provider (CNDSP). | An approved tool for continuous network scanning must be installed and configured to run.
Without the use of automated mechanisms to scan for security flaws on a continuous and/or periodic basis,... |
| V-81663 | Medium | The macOS system must restrict the ability of individuals to use USB storage devices. | External hard drives, such as USB, must be disabled for users. USB hard drives are a potential vector for malware and can be used to exfiltrate sensitive data if an approved data-loss prevention... |
| V-81665 | Medium | The macOS system must be configured to not allow iTunes file sharing. | Connections to unauthorized iOS devices (e.g., iPhones, iPods, and iPads) open the system to possible compromise via exfiltration of system data. Disabling the iTunes file sharing blocks... |
| V-81667 | Medium | The macOS system must not allow an unattended or automatic logon to the system. | When automatic logons are enabled, the default user account is automatically logged on at boot time without prompting the user for a password. Even if the screen is later locked, a malicious user... |
| V-81669 | Medium | The macOS system logon window must be configured to prompt for username and password, rather than show a list of users. | The logon window must be configured to prompt all users for both a username and a password. By default, the system displays a list of known users at the logon screen. This gives an advantage to an... |
| V-81471 | Medium | The macOS system must retain the session lock until the user reestablishes access using established identification and authentication procedures. | Users must be prompted to enter their passwords when unlocking the screen saver. The screen saver acts as a session lock and prevents unauthorized users from accessing the current user's account. |
| V-81473 | Medium | The macOS system must initiate the session lock no more than five seconds after a screen saver is started. | A screen saver must be enabled and set to require a password to unlock. An excessive grace period impacts the ability for a session to be truly locked, requiring authentication to unlock. |
| V-81475 | Medium | The macOS system must monitor remote access methods and generate audit records when successful/unsuccessful attempts to access/modify privileges occur. | Frequently, an attacker that successfully gains access to a system has only gained access to an account with limited privileges, such as a guest account or a service account. The attacker must... |
| V-81579 | Medium | The macOS system must be configured to disable Siri and dictation. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81713 | Medium | The macOS system must not process Internet Control Message Protocol [ICMP] timestamp requests. | ICMP timestamp requests reveal information about the system and can be used to determine which operating system is installed. Precise time data can also be used to launch time-based attacks... |
| V-81571 | Medium | The macOS system must cover or disable the built-in or attached camera when not in use. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81573 | Medium | The macOS system must be configured to disable the system preference pane for iCloud. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81575 | Medium | The macOS system must be configured to disable the system preference pane for Internet Accounts. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81577 | Medium | The macOS system must be configured to disable the system preference pane for Siri. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81677 | Medium | The macOS system must be configured to disable Remote Apple Events. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81675 | Medium | The macOS system must be configured with Bluetooth Sharing disabled. | Bluetooth sharing allows users to wirelessly transmit files between the macOS host and Bluetooth-enabled devices, including personally owned cellphones and tablets. A malicious user might... |
| V-81673 | Medium | The macOS system must be configured so that Bluetooth devices are not allowed to wake the computer. | A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the information system but does not want to log out because of the... |
| V-81671 | Medium | The macOS firewall must have logging enabled. | Firewall logging must be enabled. This ensures that malicious network activity will be logged to the system. |
| V-81719 | Medium | The macOS system must be configured to disable Web Sharing. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81683 | Medium | The macOS system must be configured with all public directories owned by root or an application account. | All public directories must be owned by "root", the local admin user, or an application account. Directory owners have permission to delete any files contained in that directory, even if the files... |
| V-81681 | Medium | The macOS Application Firewall must be enabled. | The Application Firewall is the built-in firewall that comes with macOS and must be enabled. Firewalls protect computers from network attacks by blocking or limiting access to open network ports.... |
| V-81687 | Medium | The macOS system must be configured with the sticky bit set on all public directories. | The sticky bit must be set on all public directories, as it prevents users with write access to the directory from deleting or renaming files that belong to other users inside it. |
| V-81685 | Medium | The macOS system must be configured with the finger service disabled. | The "finger" service has had several security vulnerabilities in the past and is not a necessary service. It is disabled by default; enabling it would increase the attack surface of the system. |
| V-81689 | Medium | The macOS system must be configured with the prompt for Apple ID and iCloud disabled. | The prompt for Apple ID and iCloud must be disabled, as it might mislead new users into creating unwanted Apple IDs and iCloud storage accounts upon their first logon. |
| V-81609 | Medium | The macOS system must disable the Touch ID feature. | The Touch ID feature permits users to add additional fingerprints to unlock the host. These fingerprints may be for the user or anyone else. Because unauthorized users may gain access to the... |
| V-81603 | Medium | The macOS system must be configured to disable Location Services. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81601 | Medium | The macOS system must be configured to disable the iCloud Find My Mac service. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81607 | Medium | The macOS system must be configured to disable the UUCP service. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81605 | Medium | The macOS system must be configured to disable Bonjour multicast advertising. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81653 | Medium | The macOS system must be configured with the SSH daemon ClientAliveCountMax option set to 0. | SSH should be configured to log users out after a 15-minute interval of inactivity and to wait only 30 seconds before timing out logon attempts. Terminating an idle session within a short time... |
| V-81513 | Medium | The macOS system must be configured to disable the Network File System (NFS) lock daemon unless it is required. | If the system does not require access to NFS file shares or is not acting as an NFS server, support for NFS is non-essential and NFS services must be disabled. NFS is a network file system... |
| V-81691 | Medium | The macOS system must be configured so that users do not have Apple IDs signed into iCloud. | Users should not sign into iCloud, as this leads to the possibility that sensitive data could be saved to iCloud storage or that users could inadvertently introduce viruses or malware previously... |
| V-81511 | Medium | The macOS system must be configured to disable the Network File System (NFS) daemon unless it is required. | If the system does not require access to NFS file shares or is not acting as an NFS server, support for NFS is non-essential and NFS services must be disabled. NFS is a network file system... |
| V-81517 | Medium | The macOS system firewall must be configured with a default-deny policy. | An approved firewall must be installed and enabled to work in concert with the macOS Application Firewall. When configured correctly, firewalls protect computers from network attacks by blocking... |
| V-81695 | Medium | All setuid executables on the macOS system must be documented. | Very few of the executables that come preinstalled on the macOS host have the "setuid" bit set, and administrators should never add the "setuid" bit to any executable that does not already have it... |
| V-81515 | Medium | The macOS system must be configured to disable the Network File System (NFS) stat daemon unless it is required. | If the system does not require access to NFS file shares or is not acting as an NFS server, support for NFS is non-essential and NFS services must be disabled. NFS is a network file system... |
| V-81697 | Medium | The macOS system must not accept source-routed IPv4 packets. | A source-routed packet attempts to specify the network path the packet should take. If the system is not configured to block the incoming source-routed packets, an attacker can redirect the... |
| V-81699 | Medium | The macOS system must ignore IPv4 ICMP redirect messages. | ICMP redirects are broadcast to reshape network traffic. A malicious user could craft fake redirect packets and try to force all network traffic to pass through a network sniffer. If the system is... |
| V-81519 | Medium | The macOS system must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the operating system. | Display of a standardized and approved use notification before granting access to the operating system ensures privacy and security notification verbiage used is consistent with applicable federal... |
| V-81659 | Medium | The macOS system must implement cryptographic mechanisms to protect the confidentiality and integrity of all information at rest. | Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and tape drive) within an organizational information system. Mobile... |
| V-81751 | Medium | The macOS system must prohibit user installation of software without explicit privileged status. | Allowing regular users to install software, without explicit privileges, creates the risk that untested or potentially malicious software will be installed on the system. Explicit privileges... |
| V-81619 | Medium | The macOS system must disable Siri pop-ups. | Users (and any processes acting on behalf of users) need to be uniquely identified and authenticated for all accesses other than those accesses explicitly identified and documented by the... |
| V-81599 | Medium | The macOS system must be configured to disable sending diagnostic and usage data to Apple. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81611 | Medium | The macOS system must obtain updates from a DoD-approved update server. | Software update configuration. Point to DOD approved update server. Configure for automatic install of critical updates. |
| V-81613 | Medium | The macOS system must not have a root account. | To assure individual accountability and prevent unauthorized access, organizational users must be individually identified and authenticated. |
| V-81483 | Low | The macOS system must be configured with Bluetooth turned off unless approved by the organization. | The Bluetooth kernel extension must be disabled, as wireless access introduces unnecessary security risks. Disabling Bluetooth support with a configuration profile mitigates this risk. |
| V-81731 | Low | The macOS system must be configured to disable AirDrop. | To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embedding of data types within data types), organizations must disable or... |
| V-81559 | Low | The macOS system must be configured to disable the application Messages. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81557 | Low | The macOS system must be configured to disable the application FaceTime. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81463 | Low | The macOS system must conceal, via the session lock, information previously visible on the display with a publicly viewable image. | A default screen saver must be configured for all users, as the screen saver will act as a session time-out lock for the system and must conceal the contents of the screen from unauthorized users.... |
| V-81567 | Low | The macOS system must be configured to disable the iCloud Mail services. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81565 | Low | The macOS system must be configured to disable iCloud Address Book services. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81563 | Low | The macOS system must be configured to disable the iCloud Reminders services. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81561 | Low | The macOS system must be configured to disable the iCloud Calendar services. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81569 | Low | The macOS system must be configured to disable the iCloud Notes services. | It is detrimental for operating systems to provide, or install by default, functionality exceeding requirements or mission objectives. These unnecessary capabilities or services are often... |
| V-81693 | Low | The macOS system must be configured with iTunes Music Sharing disabled. | When iTunes Music Sharing is enabled, the computer starts a network listening service that shares the contents of the user's music collection with other users in the same subnet. Unnecessary... |
