Apple macOS 12 (Monterey) Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 ...Rule Medium Severity -
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 protocol...Rule Medium Severity -
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 restr...Rule Medium Severity -
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 restr...Rule Low Severity -
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 overlooke...Rule Low Severity -
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 overlooke...Rule Medium Severity -
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 overlooke...Rule Medium Severity -
The macOS system must be configured to disable the system preference pane for Apple ID.
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 overlooke...Rule High Severity -
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 overlooke...Rule Medium Severity -
The macOS system must be configured to disable the Cloud Storage Setup 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 overlooke...Rule Medium Severity -
The macOS system must be configured to disable the Siri Setup 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 overlooke...Rule Medium Severity -
The macOS system must disable iCloud document synchronization.
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 overlooke...Rule Medium Severity -
The macOS system must be configured to disable the system preference pane for TouchID.
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 overlooke...Rule Medium Severity -
The macOS system must enforce access restrictions.
Failure to provide logical access restrictions associated with changes to system configuration may have significant effects on the overall security of the system. When dealing with access restrict...Rule High Severity -
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 se...Rule High Severity -
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 attacks...Rule Medium Severity -
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 ...Rule Medium Severity -
The macOS system must be configured so that the login command requires smart card authentication.
Configuring the operating system to implement organization-wide security implementation guides and security checklists ensures compliance with federal standards and establishes a common security ba...Rule Medium Severity -
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 t...Rule High Severity -
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 ...Rule Low Severity -
The macOS system must be configured to disable prompts to configure Touch ID.
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 overlooke...Rule Medium Severity -
The macOS system must be configured to disable promts to configure Unlock with Watch.
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 overlooke...Rule Medium Severity -
The macOS system must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.
Preventing nonprivileged users from executing privileged functions mitigates the risk that unauthorized individuals or processes may gain unnecessary access to information or privileges. Privilege...Rule Medium Severity -
The macOS system must implement approved Message Authentication Codes (MACs) within the SSH client 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
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