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Apple macOS 12 (Monterey) Security Technical Implementation Guide

Version

V1R9

Benchmark ID

Apple_macOS_12_STIG

Total Checks

113

Tags

other
CAT I: 16CAT II: 85CAT III: 12

This Security Technical Implementation Guide is published as a tool to improve the security of Department of Defense (DOD) information systems. The requirements are derived from the National Institute of Standards and Technology (NIST) 800-53 and related documents. Comments or proposed revisions to this document should be sent via email to the following address: disa.stig_spt@mail.mil.

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Checks (113)

V-252436MEDIUMThe macOS system must be configured to prevent Apple Watch from terminating a session lock.V-252437MEDIUMThe macOS system must retain the session lock until the user reestablishes access using established identification and authentication procedures.V-252438MEDIUMThe macOS system must initiate the session lock no more than five seconds after a screen saver is started.V-252439MEDIUMThe macOS system must initiate a session lock after a 15-minute period of inactivity.V-252440MEDIUMThe macOS system must be configured to lock the user session when a smart token is removed.V-252441LOWThe macOS system must conceal, via the session lock, information previously visible on the display with a publicly viewable image.V-252442MEDIUMThe macOS system must be configured to disable hot corners.V-252444MEDIUMThe macOS system must automatically remove or disable temporary and emergency user accounts after 72 hours.V-252445MEDIUMThe 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).V-252446MEDIUMThe macOS system must utilize an ESS solution and implement all DoD required modules.V-252447HIGHThe macOS system must be integrated into a directory services infrastructure.V-252448MEDIUMThe macOS system must enforce the limit of three consecutive invalid logon attempts by a user before the user account is locked.V-252449MEDIUMThe macOS system must display the Standard Mandatory DoD Notice and Consent Banner before granting remote access to the operating system.V-252450MEDIUMThe macOS system must display the Standard Mandatory DoD Notice and Consent Banner before granting access to the system via SSH.V-252451MEDIUMThe macOS system must be configured so that any connection to the system must display the Standard Mandatory DoD Notice and Consent Banner before granting GUI access to the system.V-252452MEDIUMThe macOS system must be configured so that log files must not contain access control lists (ACLs).V-252453MEDIUMThe macOS system must be configured so that log folders must not contain access control lists (ACLs).V-252454MEDIUMThe macOS system must be configured with dedicated user accounts to decrypt the hard disk upon startup.V-252455MEDIUMThe macOS system must be configured to disable password forwarding for FileVault2.V-252456MEDIUMThe macOS system must be configured with the SSH daemon ClientAliveInterval option set to 900 or less.V-252457MEDIUMThe macOS system must be configured with the SSH daemon ClientAliveCountMax option set to 1.V-252458MEDIUMThe macOS system must be configured with the SSH daemon LoginGraceTime set to 30 or less.V-252459HIGHThe macOS system must implement approved ciphers within the SSH server configuration to protect the confidentiality of SSH connections.V-252460HIGHThe macOS system must implement approved Message Authentication Codes (MACs) within the SSH server configuration.V-252461HIGHThe macOS system must implement approved Key Exchange Algorithms within the SSH server configuration.V-252462MEDIUMThe 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.V-252463MEDIUMThe macOS system must monitor remote access methods and generate audit records when successful/unsuccessful attempts to access/modify privileges occur.V-252464MEDIUMThe 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.V-252465MEDIUMThe macOS system must shut down by default upon audit failure (unless availability is an overriding concern).V-252466MEDIUMThe macOS system must be configured with audit log files owned by root.V-252467MEDIUMThe macOS system must be configured with audit log folders owned by root.V-252468MEDIUMThe macOS system must be configured with audit log files group-owned by wheel.V-252469MEDIUMThe macOS system must be configured with audit log folders group-owned by wheel.V-252470MEDIUMThe macOS system must be configured with audit log files set to mode 440 or less permissive.V-252471MEDIUMThe macOS system must be configured with audit log folders set to mode 700 or less permissive.V-252472MEDIUMThe macOS system must audit the enforcement actions used to restrict access associated with changes to the system.V-252473MEDIUMThe macOS system must allocate audit record storage capacity to store at least one week's worth of audit records when audit records are not immediately sent to a central audit record storage facility.V-252474MEDIUMThe 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.V-252475MEDIUMThe 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.V-252476MEDIUMThe 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.V-252477MEDIUMThe macOS system must accept and verify Personal Identity Verification (PIV) credentials, implement a local cache of revocation data to support path discovery and validation in case of the inability to access revocation information via the network, and only allow the use of DoD PKI-established certificate authorities for verification of the establishment of protected sessions.V-252478MEDIUMThe macOS system must require individuals to be authenticated with an individual authenticator prior to using a group authenticator.V-252479MEDIUMThe macOS system must be configured to disable SMB File Sharing unless it is required.V-252480MEDIUMThe macOS system must be configured to disable the Network File System (NFS) daemon unless it is required.V-252481MEDIUMThe macOS system must be configured to disable Location Services.V-252482MEDIUMThe macOS system must be configured to disable Bonjour multicast advertising.V-252483MEDIUMThe macOS system must be configured to disable the UUCP service.V-252484MEDIUMThe macOS system must be configured to disable Internet Sharing.V-252485MEDIUMThe macOS system must be configured to disable Web Sharing.V-252486LOWThe macOS system must be configured to disable AirDrop.V-252487LOWThe macOS system must be configured to disable the iCloud Calendar services.V-252488LOWThe macOS system must be configured to disable the iCloud Reminders services.V-252489LOWThe macOS system must be configured to disable iCloud Address Book services.V-252490LOWThe macOS system must be configured to disable the Mail iCloud services.V-252491LOWThe macOS system must be configured to disable the iCloud Notes services.V-252492MEDIUMThe macOS system must cover or disable the built-in or attached camera when not in use.V-252493MEDIUMThe macOS system must be configured to disable Siri and dictation.V-252494MEDIUMThe macOS system must be configured to disable sending diagnostic and usage data to Apple.V-252495MEDIUMThe macOS system must be configured to disable Remote Apple Events.V-252496HIGHThe macOS system must be configured to disable the system preference pane for Apple ID.V-252497MEDIUMThe macOS system must be configured to disable the system preference pane for Internet Accounts.V-252498MEDIUMThe macOS system must be configured to disable the Cloud Setup services.V-252499MEDIUMThe macOS system must be configured to disable the Privacy Setup services.V-252500MEDIUMThe macOS system must be configured to disable the Cloud Storage Setup services.V-252501HIGHThe macOS system must be configured to disable the tftp service.V-252502MEDIUMThe macOS system must be configured to disable the Siri Setup services.V-252503MEDIUMThe macOS system must disable iCloud Keychain synchronization.V-252504MEDIUMThe macOS system must disable iCloud document synchronization.V-252505MEDIUMThe macOS system must disable iCloud bookmark synchronization.V-252506MEDIUMThe macOS system must disable iCloud photo library.V-252507MEDIUMThe macOS system must disable the Screen Sharing feature.V-252508MEDIUMThe macOS system must be configured to disable the system preference pane for TouchID.V-252509MEDIUMThe macOS system must be configured to disable the system preference pane for Wallet and ApplePay.V-252510MEDIUMThe macOS system must be configured to disable the system preference pane for Siri.V-252511MEDIUMThe macOS system must allow only applications that have a valid digital signature to run.V-252513HIGHThe macOS system must enforce access restrictions.V-252514HIGHThe macOS system must have the security assessment policy subsystem enabled.V-252515MEDIUMThe macOS system must not allow an unattended or automatic logon to the system.V-252516MEDIUMThe macOS system must set permissions on user home directories to prevent users from having access to read or modify another user's files.V-252518HIGHThe macOS system must use an approved antivirus program.V-252519HIGHThe macOS system must issue or obtain public key certificates under an appropriate certificate policy from an approved service provider.V-252520MEDIUMThe macOS system must enforce password complexity by requiring that at least one numeric character be used.V-252521MEDIUMThe macOS system must enforce a 60-day maximum password lifetime restriction.V-252522MEDIUMThe macOS system must prohibit password reuse for a minimum of five generations.V-252523MEDIUMThe macOS system must enforce a minimum 15-character password length.V-252524MEDIUMThe macOS system must enforce password complexity by requiring that at least one special character be used.V-252525MEDIUMThe macOS system must be configured to prevent displaying password hints.V-252526MEDIUMThe macOS system must be configured with a firmware password to prevent access to single user mode and booting from alternative media.V-252527HIGHThe macOS system must use multifactor authentication for local access to privileged and non-privileged accounts.V-252528MEDIUMThe macOS system must be configured so that the login command requires smart card authentication.V-252529MEDIUMThe macOS system must be configured so that the su command requires smart card authentication.V-252530MEDIUMThe macOS system must be configured so that the sudo command requires smart card authentication.V-252531MEDIUMThe macOS system must be configured with system log files owned by root and group-owned by wheel or admin.V-252532MEDIUMThe macOS system must be configured with system log files set to mode 640 or less permissive.V-252533HIGHThe macOS system must be configured with the sudoers file configured to authenticate users on a per -tty basis.V-252534MEDIUMThe macOS system must enable System Integrity Protection.V-252535MEDIUMThe macOS system must implement cryptographic mechanisms to protect the confidentiality and integrity of all information at rest.V-252536MEDIUMThe macOS Application Firewall must be enabled.V-252537MEDIUMThe macOS system must restrict the ability to utilize external writeable media devices.V-252538LOWThe macOS system logon window must be configured to prompt for username and password, rather than show a list of users.V-252539LOWThe macOS system must restrict the ability of individuals to write to external optical media.V-252540MEDIUMThe macOS system must be configured to disable prompts to configure Touch ID.V-252541LOWThe macOS system must be configured to disable prompts to configure ScreenTime.V-252542MEDIUMThe macOS system must be configured to disable promts to configure Unlock with Watch.V-252543LOWThe macOS system must be configured to prevent activity continuation between Apple Devices.V-252544MEDIUMThe macOS system must be configured to prevent password proximity sharing requests from nearby Apple Devices.V-252545MEDIUMThe macOS system must be configured to prevent users from erasing all system content and settings.V-252699LOWThe macOS system must be configured with Bluetooth turned off unless approved by the organization.V-257772MEDIUMThe macOS system must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.V-257773HIGHThe macOS system must implement approved ciphers within the SSH client configuration to protect the confidentiality of SSH connections.V-257774HIGHThe macOS system must implement approved Message Authentication Codes (MACs) within the SSH client configuration.V-257775HIGHThe macOS system must implement approved Key Exchange Algorithms within the SSH client configuration.V-264387HIGHThe macOS system must be a supported release.