V-259477 | High | The macOS system must disable password authentication for SSH. | If remote logon through SSH is enabled, password-based authentication must be disabled for user logon.
All users must go through multifactor authentication to prevent unauthenticated access and... |
V-259499 | High | The macOS system must disable Trivial File Transfer Protocol service. | If the system does not require Trivial File Transfer Protocol (TFTP), support it is nonessential and must be disabled.
The information system must be configured to provide only essential... |
V-259438 | High | The macOS system must limit SSHD to FIPS-compliant connections. | If SSHD is enabled then it must be configured to limit the Ciphers, HostbasedAcceptedAlgorithms, HostKeyAlgorithms, KexAlgorithms, MACs, PubkeyAcceptedAlgorithms, CASignatureAlgorithms to... |
V-259439 | High | The macOS system must limit SSH to FIPS-compliant connections. | SSH must be configured to limit the Ciphers, HostbasedAcceptedAlgorithms, HostKeyAlgorithms, KexAlgorithms, MACs, PubkeyAcceptedAlgorithms, CASignatureAlgorithms to algorithms that are FIPS 140... |
V-259509 | High | The macOS system must apply gatekeeper settings to block applications from unidentified developers. | The information system implements cryptographic mechanisms to authenticate software prior to installation.
Gatekeeper settings must be configured correctly to only allow the system to run... |
V-259512 | High | The macOS system must enable Gatekeeper. | Gatekeeper must be enabled.
Gatekeeper is a security feature that ensures applications are digitally signed by an Apple-issued certificate before they are permitted to run. Digital signatures... |
V-259515 | High | The macOS system must require administrator privileges to modify systemwide settings. | The system must be configured to require an administrator password in order to modify the systemwide preferences in System Settings.
Some Preference Panes in System Settings contain settings that... |
V-259510 | High | The macOS system must disable Bluetooth when no approved device is connected. | The macOS system must be configured to disable Bluetooth unless an approved device is connected.
[IMPORTANT]
====
Information system security officers (ISSOs) may make the risk-based decision not... |
V-259560 | High | The macOS system must ensure System Integrity Protection is enabled. | System Integrity Protection (SIP) must be enabled.
SIP is vital to protecting the integrity of the system as it prevents malicious users and software from making unauthorized and/or unintended... |
V-259561 | High | The macOS system must enforce FileVault. | FileVault must be enforced.
The information system implements cryptographic mechanisms to protect the confidentiality and integrity of information stored on digital media during transport outside... |
V-259576 | Medium | The macOS system must enforce installation of XProtect Remediator and Gatekeeper updates automatically. | Software Update must be configured to update XProtect Remediator and Gatekeeper automatically.
This setting enforces definition updates for XProtect Remediator and Gatekeeper; with this setting... |
V-259575 | Medium | The macOS system must enable recovery lock. | A recovery lock password must be enabled and set.
Single user mode, recovery mode, the Startup Manager, and several other tools are available on macOS by holding down specific key combinations... |
V-259574 | Medium | The macOS system must enforce enrollment in mobile device management. | Users must enroll their Mac in a Mobile Device Management (MDM) software.
User Approved MDM (UAMDM) enrollment or enrollment via Apple Business Manager (ABM)/Apple School Manager (ASM) is... |
V-259573 | Medium | The macOS system must ensure secure boot level set to full. | The Secure Boot security setting must be set to full.
Full security is the default Secure Boot setting in macOS. During startup, when Secure Boot is set to full security, the Mac will verify the... |
V-259572 | Medium | The macOS system must authorize USB devices before allowing connection. | USB devices connected to a Mac must be authorized.
[IMPORTANT]
====
This feature is removed if a smart card is paired or smart card attribute mapping is configured.
==== |
V-259478 | Medium | The macOS system must disable Server Message Block sharing. | Support for Server Message Block (SMB) file sharing is nonessential and must be disabled.
The information system must be configured to provide only essential capabilities. |
V-259479 | Medium | The macOS system must disable Network File System service. | Support for Network File Systems (NFS) services is nonessential and, therefore, must be disabled. |
V-259476 | Medium | The macOS system must configure audit_control to not contain access control lists. | /etc/security/audit_control must not contain Access Control Lists (ACLs).
/etc/security/audit_control contains sensitive configuration data about the audit service. This rule ensures that the... |
V-259474 | Medium | The macOS system must configure audit_control owner to root. | /etc/security/audit_control must have the owner set to root.
The audit service must be configured with the correct ownership to prevent normal users from manipulation audit log... |
V-259475 | Medium | The macOS system must configure audit_control to mode 440 or less permissive. | /etc/security/audit_control must be configured so that it is readable only by the root user and group wheel.
Satisfies:... |
V-259472 | Medium | The macOS system must disable root logon for SSH. | If SSH is enabled to ensure individual accountability and prevent unauthorized access, logging in as root via SSH must be disabled.
The macOS system must require individuals to be authenticated... |
V-259473 | Medium | The macOS system must configure audit_control group to wheel. | /etc/security/audit_control must have the group set to wheel.
The audit service must be configured with the correct group ownership to prevent normal users from manipulation audit log... |
V-259470 | Medium | The macOS system must configure the system to audit all authorization and authentication events. | The auditing system must be configured to flag authorization and authentication (aa) events.
Authentication events contain information about the identity of a user, server, or client.... |
V-259471 | Medium | The macOS system must set smart card certificate trust to moderate. | The macOS system must be configured to block access to users who are no longer authorized (i.e., users with revoked certificates).
To prevent the use of untrusted certificates, the certificates... |
V-259548 | Medium | The macOS system must enforce multifactor authentication for the su command. | The system must be configured such that, when the su command is used, multifactor authentication is enforced.
All users must go through multifactor authentication to prevent unauthenticated... |
V-259549 | Medium | The macOS system must enforce multifactor authentication for privilege escalation through the sudo command. | The system must be configured to enforce multifactor authentication when the sudo command is used to elevate privilege.
All users must go through multifactor authentication to prevent... |
V-259542 | Medium | The macOS system must disable password hints. | Password hints must be disabled.
Password hints leak information about passwords that are currently in use and can lead to loss of confidentiality. |
V-259543 | Medium | The macOS system must enable firmware password. | A firmware password must be enabled and set.
Single user mode, recovery mode, the Startup Manager, and several other tools are available on macOS by holding the "Option" key down during startup.... |
V-259540 | Medium | The macOS system must require a minimum password length of 14 characters. | The macOS must be configured to require a minimum of 14 characters be used when a password is created.
This rule enforces password complexity by requiring users to set passwords that are less... |
V-259541 | Medium | The macOS system must require passwords contain a minimum of one special character. | The macOS must be configured to require at least one special character be used when a password is created.
Special characters are those characters that are not alphanumeric. Examples include: ~ !... |
V-259546 | Medium | The macOS system must allow smart card authentication. | Smart card authentication must be allowed.
The use of smart card credentials facilitates standardization and reduces the risk of unauthorized access.
When enabled, the smart card can be used for... |
V-259547 | Medium | The macOS system must enforce multifactor authentication for logon. | The system must be configured to enforce multifactor authentication.
All users must go through multifactor authentication to prevent unauthenticated access and potential compromise to the... |
V-259544 | Medium | The macOS system must remove password hints from user accounts. | User accounts must not contain password hints. Password hints leak information about passwords that are currently in use and can lead to loss of confidentiality. |
V-259545 | Medium | The macOS system must enforce smart card authentication. | Smart card authentication must be enforced.
The use of smart card credentials facilitates standardization and reduces the risk of unauthorized access.
When enforceSmartCard is set to "true", the... |
V-259461 | Medium | The macOS system must configure audit log folders to mode 700 or less permissive. | The audit log folder must be configured to mode 700 or less permissive so that only the root user is able to read, write, and execute changes to folders.
Because audit logs contain sensitive data... |
V-259460 | Medium | The macOS system must configure audit log files to mode 440 or less permissive. | The audit service must be configured to create log files that are readable only by the root user and group wheel. To achieve this, audit log files must be configured to mode 440 or less... |
V-259463 | Medium | The macOS system must be configured to audit all changes of object attributes. | The audit system must be configured to record enforcement actions of attempts to modify file attributes (fm).
Enforcement actions are the methods or mechanisms used to prevent unauthorized... |
V-259462 | Medium | The macOS system must be configured to audit all deletions of object attributes. | The audit system must be configured to record enforcement actions of attempts to delete file attributes (fd).
***Enforcement actions are the methods or mechanisms used to prevent unauthorized... |
V-259465 | Medium | The macOS system must be configured to audit all failed write actions on the system. | The audit system must be configured to record enforcement actions of access restrictions, including failed file write (-fw) attempts.
Enforcement actions are the methods or mechanisms used to... |
V-259464 | Medium | The macOS system must be configured to audit all failed read actions on the system. | The audit system must be configured to record enforcement actions of access restrictions, including failed file read (-fr) attempts.
Enforcement actions are the methods or mechanisms used to... |
V-259466 | Medium | The macOS system must be configured to audit all failed program execution on the system. | The audit system must be configured to record enforcement actions of access restrictions, including failed program execute (-ex) attempts.
Enforcement actions are the methods or mechanisms used... |
V-259469 | Medium | The macOS system must configure audit failure notification. | The audit service must 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-259468 | Medium | The macOS system must configure audit capacity warning. | The audit service must be configured to notify the system administrator when the amount of free disk space remaining reaches an organization defined value.
This rule ensures that the system... |
V-259498 | Medium | The macOS system must disable iCloud Storage Setup during Setup Assistant. | The prompt to set up iCloud storage services during Setup Assistant must be disabled.
The default behavior of macOS is to prompt new users to set up storage in iCloud. Disabling the iCloud... |
V-259494 | Medium | The macOS system must disable sending diagnostic and usage data to Apple. | The ability to submit diagnostic data to Apple must be disabled.
The information system must be configured to provide only essential capabilities. Disabling the submission of diagnostic and usage... |
V-259495 | Medium | The macOS system must disable Remote Apple Events. | If the system does not require Remote Apple Events, support for Apple Remote Events is nonessential and must be disabled.
The information system must be configured to provide only essential... |
V-259496 | Medium | The macOS system must disable Apple ID setup during Setup Assistant. | The prompt for Apple ID setup during Setup Assistant must be disabled.
macOS will automatically prompt new users to set up an Apple ID while they are going through Setup Assistant if this is not... |
V-259497 | Medium | The macOS system must disable Privacy Setup services during Setup Assistant. | The prompt for Privacy Setup services during Setup Assistant must be disabled.
Organizations must apply organizationwide configuration settings. The macOS Privacy Setup services prompt guides new... |
V-259490 | Medium | The macOS system must disable iCloud Mail. | The macOS built-in Mail.app connection to Apple's iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and access of data... |
V-259491 | Medium | The macOS system must disable iCloud Notes. | The macOS built-in Notes.app connection to Apple's iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and access of data... |
V-259492 | Medium | The macOS system must disable the camera. | macOS must be configured to disable the camera. |
V-259493 | Medium | The macOS system must disable Siri. | Support for Siri is nonessential and must be disabled.
The information system must be configured to provide only essential capabilities. |
V-259559 | Medium | The macOS system must configure sudoers timestamp type. | The file /etc/sudoers must be configured to not include a timestamp_type of global or ppid and be configured for timestamp record types of tty.
This rule ensures that the "sudo" command will... |
V-259555 | Medium | The macOS system must require users to reauthenticate for privilege escalation when using the "sudo" command. | The file /etc/sudoers must include a timestamp_timout of 0.
Without reauthentication, users may access resources or perform tasks for which they do not have authorization. When operating systems... |
V-259554 | Medium | The macOS system must configure Apple System Log files to mode 640 or less permissive. | The Apple System Logs (ASL) must be configured to be writable by root and readable only by the root user and group wheel. To achieve this, ASL log files must be configured to mode 640 permissive... |
V-259557 | Medium | The macOS system must configure system log files to mode 640 or less permissive. | The system logs must be configured to be writable by root and readable only by the root user and group wheel. To achieve this, system log files must be configured to mode 640 permissive or less;... |
V-259556 | Medium | The macOS system must configure system log files to be owned by root and group to wheel. | The system log files must be owned by root.
System logs contain sensitive data about the system and users. If log files are set to only be readable and writable by system administrators, the risk... |
V-259551 | Medium | The macOS system must set minimum password lifetime to 24 hours. | The macOS must be configured to enforce a minimum password lifetime limit of 24 hours.
This rule discourages users from cycling through their previous passwords to get back to a preferred... |
V-259550 | Medium | The macOS system must require passwords contain a minimum of one lowercase character and one uppercase character. | The macOS be configured to require at least one lowercase character and one uppercase character be used when a password is created.
This rule enforces password complexity by requiring users to... |
V-259553 | Medium | The macOS system must configure Apple System Log files to be owned by root and group to wheel. | The Apple System Logs (ASL) must be owned by root.
ASL logs contain sensitive data about the system and users. If ASL log files are set to only be readable and writable by system administrators,... |
V-259552 | Medium | The macOS system must disable accounts after 35 days of inactivity. | The macOS must be configured to disable accounts after 35 days of inactivity.
This rule prevents malicious users from making use of unused accounts to gain access to the system while avoiding detection. |
V-259418 | Medium | The macOS system must prevent Apple Watch from terminating a session lock. | Disabling Apple watches is a necessary step to ensuring that the information system retains a session lock until the user reestablishes access using authorized identification and authentication procedures. |
V-259419 | Medium | The macOS system must enforce screen saver password. | Users must authenticate 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-259489 | Medium | The macOS system must disable iCloud Address Book. | The macOS built-in Contacts.app connection to Apple's iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and access of... |
V-259488 | Medium | The macOS system must disable iCloud Reminders. | The macOS built-in Reminders.app connection to Apple's iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and access of... |
V-259487 | Medium | The macOS system must disable the iCloud Calendar services. | The macOS built-in Calendar.app connection to Apple's iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and access of... |
V-259486 | Medium | The macOS system must disable FaceTime.app. | The macOS built-in FaceTime.app must be disabled.
The FaceTime.app establishes a connection to Apple's iCloud service, even when security controls have been put in place to disable iCloud... |
V-259485 | Medium | The macOS system must disable AirDrop. | AirDrop must be disabled to prevent file transfers to or from unauthorized devices. AirDrop allows users to share and receive files from other nearby Apple devices.
Satisfies:... |
V-259484 | Medium | The macOS system must disable the built-in web server. | The built-in web server is a nonessential service built into macOS and must be disabled.
Note: The built in web server service is disabled at startup by default macOS. |
V-259483 | Medium | The macOS system must disable Internet Sharing. | If the system does not require Internet Sharing, support for it is nonessential and must be disabled.
The information system must be configured to provide only essential capabilities. Disabling... |
V-259482 | Medium | The macOS system must disable Unix-to-Unix Copy Protocol service. | The system must not have the Unix-to-Unix Copy Protocol (UUCP) service active.
UUCP, a set of programs that enable the sending of files between different Unix systems as well as sending commands... |
V-259481 | Medium | The macOS system must disable Bonjour multicast. | Bonjour multicast advertising must be disabled to prevent the system from broadcasting its presence and available services over network interfaces. |
V-259480 | Medium | The macOS system must disable Location Services. | The information system must be configured to provide only essential capabilities. Disabling Location Services helps prevent the unauthorized connection of devices, unauthorized transfer of... |
V-259528 | Medium | The macOS system must disable personalized advertising. | Ad tracking and targeted ads must be disabled.
The information system must be configured to provide only essential capabilities. Disabling ad tracking ensures that applications and advertisers... |
V-259529 | Medium | The macOS system must disable sending Siri and Dictation information to Apple. | The ability for Apple to store and review audio of Siri and Dictation interactions must be disabled.
The information system must be configured to provide only essential capabilities. Disabling... |
V-259571 | Medium | The macOS system must prohibit user installation of software into /users/. | Users must not be allowed to install software into /users/.
Allowing users who do not possess explicit privileges to install software presents the risk of untested and potentially malicious... |
V-259520 | Medium | The macOS system must disable AppleID and Internet Account modifications. | The system must disable account modification.
Account modification includes adding additional or modifying internet accounts in Apple Mail, Calendar, Contacts, in the Internet Account System... |
V-259521 | Medium | The macOS system must disable CD/DVD Sharing. | CD/DVD Sharing must be disabled. |
V-259522 | Medium | The macOS system must disable content caching service. | Content caching must be disabled.
Content caching is a macOS service that helps reduce internet data usage and speed up software installation on Mac computers. It is not recommended for devices... |
V-259570 | Medium | The macOS system must enable Authenticated Root. | Authenticated Root must be enabled.
When Authenticated Root is enabled the macOS is booted from a signed volume that is cryptographically protected to prevent tampering with the system... |
V-259524 | Medium | The macOS system must disable iCloud Game Center. | This works only with supervised devices (MDM) and allows Apple Game Center to be disabled. The rationale is Game Center is using Apple ID and will share data on AppleID-based services; therefore,... |
V-259525 | Medium | The macOS system must disable iCloud Private Relay. | Enterprise networks may be required to audit all network traffic by policy; therefore, iCloud Private Relay must be disabled.
Network administrators can also prevent the use of this feature by... |
V-259526 | Medium | The macOS system must disable Find My service. | The Find My service must be disabled.
A Mobile Device Management (MDM) solution must be used to carry out remote locking and wiping instead of Apple's Find My service.
Apple's Find My service... |
V-259527 | Medium | The macOS system must disable password autofill. | Password Autofill must be disabled.
macOS allows users to save passwords and use the Password Autofill feature in Safari and compatible apps. To protect against malicious users gaining access to... |
V-259432 | Medium | The macOS system must configure audit log files to not contain access control lists. | The audit log files must not contain access control lists (ACLs).
This rule ensures that audit information and audit files are configured to be readable and writable only by system... |
V-259433 | Medium | The macOS system must configure audit log folders to not contain access control lists. | The audit log folder must not contain access control lists (ACLs).
Audit logs contain sensitive data about the system and users. This rule ensures that the audit service is configured to create... |
V-259430 | Medium | The macOS system must enforce SSH to display the Standard Mandatory DOD Notice and Consent Banner. | Displaying a standardized and approved use notification before granting access to the operating system ensures that users are provided with privacy and security notification verbiage that is... |
V-259431 | Medium | The macOS system must display the Standard Mandatory DOD Notice and Consent Banner at the login window. | Displaying a standardized and approved use notification before granting access to the operating system ensures that users are provided with privacy and security notification verbiage that is... |
V-259436 | Medium | The macOS system must configure SSHD ClientAliveCountMax to 1. | If SSHD is enabled it must be configured with the Client Alive Maximum Count set to 1.
This will set the number of client alive messages which may be sent without the SSH server receiving any... |
V-259437 | Medium | The macOS system must set Login Grace Time to 30. | If SSHD is enabled, then it must be configured to wait only 30 seconds before timing out logon attempts.
Note: /etc/ssh/sshd_config will be automatically modified to its original state following... |
V-259434 | Medium | The macOS system must disable FileVault automatic log on. | If FileVault is enabled, automatic log on must be disabled, so that both FileVault and login window authentication are required.
The default behavior of macOS when FileVault is enabled is to... |
V-259435 | Medium | The macOS system must configure SSHD ClientAliveInterval to 900. | If SSHD is enabled, then it must be configured with the Client Alive Interval set to 900.
Sets a timeout interval in seconds after which if no data has been received from the client, sshd(8) will... |
V-259538 | Medium | The macOS system must restrict maximum password lifetime to 60 days. | The macOS must be configured to enforce a maximum password lifetime limit of at least 60 days.
This rule ensures that users are forced to change their passwords frequently enough to prevent... |
V-259533 | Medium | The macOS system must disable Remote Management. | Remote Management must be disabled. |
V-259532 | Medium | The macOS system must disable Printer Sharing. | Printer Sharing must be disabled. |
V-259531 | Medium | The macOS system must disable dictation. | Dictation must be disabled on Intel-based Macs as the feature On Device Dictation is only available on Apple Silicon devices. |
V-259530 | Medium | The macOS system must enforce on device dictation. | Dictation must be restricted to on device only to prevent potential data exfiltration.
The information system must be configured to provide only essential capabilities. |
V-259537 | Medium | The macOS system must require passwords contain a minimum of one numeric character. | The macOS must be configured to require at least one numeric character be used when a password is created.
This rule enforces password complexity by requiring users to set passwords that are less... |
V-259536 | Medium | The macOS system must issue or obtain public key certificates from an approved service provider. | The organization must issue or obtain public key certificates from an organization-approved service provider and ensure only approved trust anchors are in the System Keychain. |
V-259535 | Medium | The macOS system must disable the iCloud Freeform services. | The macOS built-in Freeform.app connection to Apple's iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and access of... |
V-259534 | Medium | The macOS system must disable the Bluetooth system settings pane. | The Bluetooth System Setting pane must be disabled to prevent access to the Bluetooth configuration. |
V-259449 | Medium | The macOS system must enforce auto logout after 86400 seconds of inactivity. | Auto logout must be configured to automatically terminate a user session and log out the after 86400 seconds of inactivity.
Note: The maximum that macOS can be configured for autologoff is 86400... |
V-259448 | Medium | The macOS system must set SSH Active Server Alive Maximum to 0. | SSH must be configured with an Active Server Alive Maximum Count set to 0. Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to... |
V-259429 | Medium | The macOS system must display the Standard Mandatory DOD Notice and Consent Banner at remote log on. | Displaying a standardized and approved use notification before granting access to the operating system ensures that users are provided with privacy and security notification verbiage that is... |
V-259428 | Medium | The macOS system must limit consecutive failed log on attempts to three. | The macOS must be configured to limit the number of failed log on attempts to a maximum of three. When the maximum number of failed attempts is reached, the account must be locked for a period of... |
V-259425 | Medium | The macOS system must enforce time synchronization. | Time synchronization must be enforced on all networked systems.
This rule ensures the uniformity of time stamps for information systems with multiple system clocks and systems connected over a... |
V-259424 | Medium | The macOS system must automatically remove or disable temporary or emergency user accounts within 72 hours. | The macOS is able to be configured to set an automated termination for 72 hours or less for all temporary or emergency accounts upon account creation.
Emergency administrator accounts are... |
V-259427 | Medium | The macOS system must be integrated into a directory services infrastructure. | A directory service infrastructure enables centralized user and rights management, as well as centralized control over computer and user configurations. Integrating the macOS systems used... |
V-259421 | Medium | The macOS system must configure user session lock when a smart token is removed. | The screen lock must be configured to initiate automatically when the smart token is removed from the system.
Session locks are temporary actions taken when users stop work and move away from the... |
V-259420 | Medium | The macOS system must enforce session lock no more than five seconds after screen saver is started. | A screen saver must be enabled and the system must be configured to require a password to unlock once the screensaver has been on for a maximum of five seconds.
An unattended system with an... |
V-259423 | Medium | The macOS system must prevent AdminHostInfo from being available at LoginWindow. | The system must be configured to not display sensitive information at the LoginWindow. The key AdminHostInfo when configured will allow the HostName, IP Address, and operating system version and... |
V-259422 | Medium | The macOS system must disable hot corners. | Hot corners must be disabled.
The information system conceals, via the session lock, information previously visible on the display with a publicly viewable image. Although hot corners can be used... |
V-259508 | Medium | The macOS system must disable the system settings pane for Siri. | The System Settings pane for Siri must be hidden.
Hiding the System Settings pane prevents the users from configuring Siri. |
V-259506 | Medium | The macOS system must disable the TouchID System Settings pane. | The System Settings pane for TouchID must be disabled.
Disabling the System Settings pane prevents the users from configuring TouchID. |
V-259507 | Medium | The macOS system must disable the System Settings pane for Wallet and Apple Pay. | The System Settings pane for Wallet and Apple Pay must be disabled.
Disabling the System Settings pane prevents the users from configuring Wallet and Apple Pay. |
V-259504 | Medium | The macOS system must disable iCloud Photo Library. | The macOS built-in Photos.app connection to Apple's iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and access of... |
V-259505 | Medium | The macOS system must disable Screen Sharing and Apple Remote Desktop. | Support for both Screen Sharing and Apple Remote Desktop (ARD) is nonessential and must be disabled.
The information system must be configured to provide only essential capabilities. Disabling... |
V-259502 | Medium | The macOS system must disable iCloud Document synchronization. | The macOS built-in iCloud document synchronization service must be disabled to prevent organizational data from being synchronized to personal or nonapproved storage.
Apple's iCloud service does... |
V-259503 | Medium | The macOS system must disable iCloud Bookmarks. | The macOS built-in Safari.app bookmark synchronization via the iCloud service must be disabled.
Apple's iCloud service does not provide an organization with enough control over the storage and... |
V-259500 | Medium | The macOS system must disable Siri Setup during Setup Assistant. | The prompt for Siri during Setup Assistant must be disabled.
Organizations must apply organizationwide configuration settings. The macOS Siri Assistant Setup prompt guides new users through... |
V-259501 | Medium | The macOS system must disable iCloud Keychain synchronization. | The macOS system's ability to automatically synchronize a user's passwords to their iCloud account must be disabled.
Apple's iCloud service does not provide an organization with enough control... |
V-259523 | Medium | The macOS system must disable iCloud desktop and document folder synchronization. | The macOS system's ability to automatically synchronize a user's desktop and documents folder to their iCloud Drive must be disabled.
Apple's iCloud service does not provide an organization with... |
V-259447 | Medium | The macOS system must configure SSHD unused connection timeout to 900. | If SSHD is enabled, it must be configured with unused connection timeout set to 900.
This will set the timeout when there are no open channels within a session.
Note: /etc/ssh/sshd_config will... |
V-259446 | Medium | The macOS system must configure SSHD Channel Timeout to 900. | If SSHD is enabled it must be configured with session Channel Timeout set to 900.
This will set the time out when the session is inactive.
Note: /etc/ssh/sshd_config will be automatically... |
V-259458 | Medium | The macOS system must configure audit log files group to wheel. | Audit log files must have the group set to wheel.
The audit service must be configured to create log files with the correct group ownership to prevent normal users from reading audit logs.
Audit... |
V-259459 | Medium | The macOS system must configure audit log folders group to wheel. | Audit log folders must have the group set to wheel.
The audit service must be configured to create log files with the correct group ownership to prevent normal users from reading audit... |
V-259513 | Medium | The macOS system must disable unattended or automatic log on to the system. | Automatic logon must be disabled.
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... |
V-259514 | Medium | The macOS system must secure user's home folders. | The system must be configured to prevent access to other user's home folders.
The default behavior of macOS is to allow all valid users access to the top level of every other user's home folder... |
V-259517 | Medium | The macOS system must disable TouchID for unlocking the device. | TouchID enables the ability to unlock a macOS system with a user's fingerprint.
TouchID must be disabled for "Unlocking your Mac" on all macOS devices that are capable of using TouchID.
The... |
V-259516 | Medium | The macOS system must disable Airplay Receiver. | Airplay Receiver allows users to send content from another Apple device to be displayed on the screen as it is being played from another device.
Support for Airplay Receiver is nonessential and... |
V-259450 | Medium | The macOS system must be configured to use an authorized time server. | Approved time servers must be the only servers configured for use.
This rule ensures the uniformity of time stamps for information systems with multiple system clocks and systems connected over a... |
V-259451 | Medium | The macOS system must enable time synchronization daemon. | The macOS time synchronization daemon (timed) must be enabled for proper time synchronization to an authorized time server.
Note: The time synchronization daemon is enabled by default on... |
V-259452 | Medium | The macOS system must be configured to audit all administrative action events. | Administrative action events include changes made to the system (e.g., modifying authentication policies). If audit records do not include "ad" events, it is difficult to identify incidents and to... |
V-259453 | Medium | The macOS system must be configured to audit all log on and log out events. | The audit system must be configured to record all attempts to log in and out of the system (lo).
Frequently, an attacker that successfully gains access to a system has only gained access to an... |
V-259454 | Medium | The macOS system must enable security auditing. | Audit records establish what types of events have occurred, when they occurred, and which users were involved. These records aid an organization in their efforts to establish, correlate, and... |
V-259455 | Medium | The macOS system must configure system to shut down upon audit failure. | The audit service must be configured to shut down the computer if it is unable to audit system events.
Once audit failure occurs, user and system activity are no longer recorded, and malicious... |
V-259456 | Medium | The macOS system must configure audit log files to be owned by root. | Audit log files must be owned by root.
The audit service must be configured to create log files with the correct ownership to prevent normal users from reading audit logs.
Audit logs contain... |
V-259457 | Medium | The macOS system must configure audit log folders to be owned by root. | Audit log folders must be owned by root.
The audit service must be configured to create log folders with the correct ownership to prevent normal users from reading audit logs.
Audit logs contain... |
V-259511 | Medium | The macOS system must disable the guest account. | Guest access must be disabled.
Turning off guest access prevents anonymous users from accessing files. |
V-259564 | Medium | The macOS system must disable TouchID prompt during Setup Assistant. | The prompt for TouchID during Setup Assistant must be disabled.
macOS prompts new users through enabling TouchID during Setup Assistant; this is not essential, and therefore must be disabled to... |
V-259565 | Medium | The macOS system must disable Screen Time prompt during Setup Assistant. | The prompt for Screen Time setup during Setup Assistant must be disabled. |
V-259566 | Medium | The macOS system must disable Unlock with Apple Watch during Setup Assistant. | The prompt for Apple Watch unlock setup during Setup Assistant must be disabled.
Disabling Apple watches is a necessary step to ensuring that the information system retains a session lock until... |
V-259567 | Medium | The macOS system must disable Handoff. | Handoff must be disabled.
Handoff allows users to continue working on a document or project when the user switches from one Apple device to another. Disabling Handoff prevents data transfers to... |
V-259562 | Medium | The macOS system must enable the application firewall. | The macOS Application Firewall is the built-in firewall that comes with macOS, and it must be enabled.
When the macOS Application Firewall is enabled, the flow of information within the... |
V-259563 | Medium | The macOS system must configure login window to prompt for username and password. | The login 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 on the login window, which can make it easier for... |
V-259443 | Medium | The macOS system must disable logon to other user's active and locked sessions. | The ability to log in to another user's active or locked session must be disabled.
macOS has a privilege that can be granted to any user that will allow that user to unlock active user's... |
V-259442 | Medium | The macOS system must enable SSH server for remote access sessions. | Remote access sessions must use encrypted methods to protect unauthorized individuals from gaining access.
Satisfies:... |
V-259441 | Medium | The macOS system must enforce screen saver timeout. | The screen saver timeout must be set to 900 seconds or a shorter length of time.
This rule ensures that a full session lock is triggered within no more than 900 seconds of inactivity. |
V-259440 | Medium | The macOS system must set account lockout time to 15 minutes. | The macOS must be configured to enforce a lockout time period of at least 15 minutes when the maximum number of failed logon attempts is reached.
This rule protects against malicious users... |
V-259568 | Medium | The macOS system must disable proximity-based password sharing requests. | Proximity-based password sharing requests must be disabled.
The default behavior of macOS is to allow users to request passwords from other known devices (macOS and iOS). This feature must be... |
V-259569 | Medium | The macOS system must disable Erase Content and Settings. | Erase Content and Settings must be disabled. |
V-259445 | Medium | The macOS system must configure SSH ServerAliveInterval option set to 900. | SSH must be configured with an Active Server Alive Maximum Count set to 900.
Setting the Active Server Alive Maximum Count to 900 will log users out after a 900-second interval of... |
V-259444 | Medium | The macOS system must disable root logon. | To ensure individual accountability and prevent unauthorized access, logging in as root at the login window must be disabled.
The macOS system must require individuals to be authenticated with an... |
V-259519 | Medium | The macOS system must disable Bluetooth sharing. | Bluetooth Sharing must be disabled.
Bluetooth Sharing allows users to wirelessly transmit files between the macOS and Bluetooth-enabled devices, including personally owned cellphones and tablets.... |
V-259518 | Medium | The macOS system must disable Media Sharing. | Media sharing must be disabled.
When Media 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... |
V-259467 | Low | The macOS system must configure audit retention to seven days. | The audit service must be configured to require records be kept for an organizational defined value before deletion, unless the system uses a central audit record storage facility.
When... |
V-259558 | Low | The macOS system must configure install.log retention to 365. | The install.log must be configured to require records be kept for an organizational-defined value before deletion, unless the system uses a central audit record storage facility. |