Apple iOS/iPadOS 16 BYOAD Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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PP-MDF-331290
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must not allow backup to remote systems (managed applications data stored in iCloud).
<VulnDiscussion>If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses...Rule Medium Severity -
PP-MDF-331290
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must not allow backup to remote systems (enterprise books).
<VulnDiscussion>If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses...Rule Medium Severity -
PP-MDF-333024
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to enforce a minimum password length of six characters.
<VulnDiscussion>Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. The ability ...Rule Medium Severity -
PP-MDF-333025
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to not allow passwords that include more than four repeating or sequential characters.
<VulnDiscussion>Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. Passwords th...Rule Medium Severity -
PP-MDF-333026
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to enable a screen-lock policy that will lock the display after a period of inactivity.
<VulnDiscussion>The screen-lock timeout helps protect the device from unauthorized access. Devices without a screen-lock timeout provide an o...Rule Medium Severity -
PP-MDF-333030
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to lock the display after 15 minutes (or less) of inactivity.
<VulnDiscussion>The screen lock timeout must be set to a value that helps protect the device from unauthorized access. Having a too-long time...Rule Medium Severity -
PP-MDF-333040
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to not allow more than 10 consecutive failed authentication attempts.
<VulnDiscussion>The more attempts an adversary has to guess a password, the more likely the adversary will enter the correct password and gai...Rule Medium Severity -
PP-MDF-333050
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to enforce an application installation policy by specifying one or more authorized application repositories, including [selection: DOD-approved commercial app repository, MDM server, mobile application store].
<VulnDiscussion>Forcing all applications to be installed from authorized application repositories can prevent unauthorized and malicious appl...Rule Medium Severity -
PP-MDF-333070
<GroupDescription></GroupDescription>Group -
The Apple iOS/iPadOS 16 allow list must be configured to not include applications with the following characteristics: - backs up MD data to non-DOD cloud servers (including user and application access to cloud backup services); - transmits MD diagnostic data to non-DOD servers; - allows synchronization of data or applications between devices associated with user; and - allows unencrypted (or encrypted but not FIPS 140-2/FIPS 140-3 validated) data sharing with other MDs or printers.
<VulnDiscussion>Requiring all authorized applications to be in an application allow list prevents the execution of any applications (e.g., un...Rule Medium Severity -
PP-MDF-333080
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to not display notifications when the device is locked.
<VulnDiscussion>Many mobile devices display notifications on the lock screen so users can obtain relevant information in a timely manner with...Rule Medium Severity -
PP-MDF-333080
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must not display notifications (calendar information) when the device is locked.
<VulnDiscussion>Many mobile devices display notifications on the lock screen so users can obtain relevant information in a timely manner with...Rule Medium Severity -
PP-MDF-333160
<GroupDescription></GroupDescription>Group -
The Apple iOS/iPadOS 16 device User Agreement must include the DOD advisory warning message.
<VulnDiscussion>Before granting access to the system, the mobile operating system is required to display the DOD-approved system use notifica...Rule Low Severity -
PP-MDF-333240
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to not allow backup of [all applications, configuration data] to locally connected systems.
<VulnDiscussion>Data on mobile devices is protected by numerous mechanisms, including user authentication, access control, and cryptography. ...Rule Medium Severity -
PP-MDF-333280
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must not allow non-DOD applications to access DOD data.
<VulnDiscussion>App data sharing gives apps the ability to access the data of other apps for enhanced user functionality. However, sharing al...Rule Medium Severity -
PP-MDF-333300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must be configured to wipe enterprise data and apps upon unenrollment from MDM.
<VulnDiscussion>When a mobile device is no longer going to be managed by MDM technologies, its protected/sensitive data must be sanitized bec...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must require a valid password be successfully entered before the mobile device data is unencrypted.
<VulnDiscussion>Passwords provide a form of access control that prevents unauthorized individuals from accessing computing resources and sens...Rule High Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must implement the management setting: Encrypt iTunes backups/Encrypt local backup.
<VulnDiscussion>When syncing an iPhone and iPad to a computer running iTunes, iTunes will prompt the user to back up the iPhone and iPad. If ...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must implement the management setting: require the user to enter a password when connecting to an AirPlay-enabled device for the first time.
<VulnDiscussion>When a user is allowed to use AirPlay without a password, it may mistakenly associate the iPhone and iPad with an AirPlay-ena...Rule Low Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
iPhone and iPad must have the latest available iOS/iPadOS operating system installed.
<VulnDiscussion>Required security features are not available in earlier OS versions. In addition, earlier versions may have known vulnerabili...Rule High Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must implement the management setting: use SSL for Exchange ActiveSync.
<VulnDiscussion>Exchange email messages are a form of data in transit and thus are vulnerable to eavesdropping and man-in-the-middle attacks....Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must implement the management setting: not allow messages in an ActiveSync Exchange account to be forwarded or moved to other accounts in the Apple iOS/iPadOS 16 Mail app.
<VulnDiscussion>The Apple iOS/iPadOS Mail app can be configured to support multiple email accounts concurrently. These email accounts are lik...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must implement the management setting: Treat AirDrop as an unmanaged destination.
<VulnDiscussion>AirDrop is a way to send contact information or photos to other users with AirDrop enabled. This feature enables a possible a...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 must implement the management setting: force Apple Watch wrist detection.
<VulnDiscussion>Because Apple Watch is a personal device, it is key that any sensitive DOD data displayed on the Apple Watch cannot be viewed...Rule Low Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 16 users must complete required training.
<VulnDiscussion>The security posture on iOS devices requires the device user to configure several required policy rules on their device. User...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
A managed photo app must be used to take and store work-related photos.
<VulnDiscussion>The iOS Photos app is unmanaged and may sync photos with a device user's personal iCloud account. Therefore, work-related pho...Rule Medium Severity
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