Apple macOS 13 (Ventura) Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 temporary...Rule Medium Severity -
SRG-OS-000031-GPOS-00012
Group -
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 timeout lock for the system and must conceal the contents of the screen from unauthorized users. T...Rule Medium Severity -
SRG-OS-000031-GPOS-00012
Group -
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 int...Rule Medium Severity -
SRG-OS-000002-GPOS-00002
Group -
SRG-OS-000355-GPOS-00143
Group -
SRG-OS-000191-GPOS-00080
Group -
The macOS system must use an Endpoint Security Solution (ESS) and implement all DOD required modules.
The macOS system must employ automated mechanisms to determine the state of system components. The DOD requires the installation and use of an approved ESS solution to be implemented on the operati...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
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 man...Rule High Severity -
SRG-OS-000329-GPOS-00128
Group -
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 a...Rule Medium Severity -
SRG-OS-000023-GPOS-00006
Group -
The macOS system must display the Standard Mandatory DOD Notice and Consent Banner before granting remote 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 ...Rule Medium Severity -
SRG-OS-000023-GPOS-00006
Group -
SRG-OS-000023-GPOS-00006
Group -
SRG-OS-000057-GPOS-00027
Group -
The macOS system must be configured so that log files do not contain access control lists (ACLs).
The audit service must be configured to create log files with the correct permissions to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and users. ...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
Group -
The macOS system must be configured so that log folders do not contain access control lists (ACLs).
The audit service must be configured to create log folders with the correct permissions to prevent normal users from reading audit logs. Audit logs contain sensitive data about the system and users...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
The macOS system must be configured with dedicated user accounts to decrypt the hard disk upon startup.
When "FileVault" and Multifactor Authentication are configured on the operating system, a dedicated user must be configured to ensure that the implemented Multifactor Authentication rules are enfor...Rule Medium Severity -
SRG-OS-000480-GPOS-00227
Group -
The macOS system must be configured to disable password forwarding for FileVault.
When "FileVault" and Multifactor Authentication are configured on the operating system, a dedicated user must be configured to ensure that the implemented Multifactor Authentication rules are enfor...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
Group -
The macOS system must be configured with the SSH daemon ClientAliveCountMax option set to 1.
Terminating an idle session within a short time reduces the window of opportunity for unauthorized personnel to take control of a management session enabled on the console or console port that has ...Rule Medium Severity -
SRG-OS-000163-GPOS-00072
Group -
The macOS system must be configured with the SSH daemon LoginGraceTime set to 30 or less.
SSH must 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 reduce...Rule Medium Severity -
SRG-OS-000033-GPOS-00014
Group -
The macOS system must implement approved ciphers within the SSH server configuration to protect the confidentiality of SSH connections.
Operating systems using encryption are required to use FIPS-compliant mechanisms for authenticating to macOS. For OpenSSH to utilize the Apple Corecrypto FIPS-validated algorithms, a specific conf...Rule High Severity -
SRG-OS-000033-GPOS-00014
Group -
The macOS system must implement approved Message Authentication Codes (MACs) within the SSH server configuration.
Operating systems using encryption are required to use FIPS-compliant mechanisms for authenticating to macOS. For OpenSSH to utilize the Apple Corecrypto FIPS-validated algorithms, a specific conf...Rule High Severity -
SRG-OS-000033-GPOS-00014
Group -
SRG-OS-000004-GPOS-00004
Group -
SRG-OS-000032-GPOS-00013
Group -
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 atte...Rule Medium Severity -
SRG-OS-000037-GPOS-00015
Group -
SRG-OS-000047-GPOS-00023
Group -
SRG-OS-000057-GPOS-00027
Group -
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 normal users from reading audit logs. Audit logs contain sensitive data about the system and users. If...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
Group -
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 normal users from reading audit logs. Audit logs contain sensitive data about the system and about use...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
Group -
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 normal users from reading audit logs. Audit logs contain sensitive data about the system and use...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
Group -
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 normal users from reading audit logs. Audit logs contain sensitive data about the system and abo...Rule Medium Severity -
SRG-OS-000057-GPOS-00027
Group -
SRG-OS-000057-GPOS-00027
Group -
SRG-OS-000064-GPOS-00033
Group
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