Apple iOS/iPadOS 18 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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PP-MDF-331090
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PP-MDF-333250
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Apple iOS/iPadOS 18 must not allow backup to remote systems (iCloud).
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploi...Rule Medium Severity -
PP-MDF-333250
Group -
Apple iOS/iPadOS 18 must not allow backup to remote systems (iCloud document and data synchronization).
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploi...Rule Medium Severity -
PP-MDF-333250
Group -
Apple iOS/iPadOS 18 must not allow backup to remote systems (iCloud Keychain).
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploi...Rule Medium Severity -
PP-MDF-333250
Group -
Apple iOS/iPadOS 18 must not allow backup to remote systems (Cloud Photo Library).
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploi...Rule Medium Severity -
PP-MDF-333250
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PP-MDF-333250
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Apple iOS/iPadOS 18 must not allow backup to remote systems (managed applications data stored in iCloud).
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploi...Rule Medium Severity -
PP-MDF-333250
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Apple iOS/iPadOS 18 must not allow backup to remote systems (enterprise books).
If a user is able to configure the security setting, the user could inadvertently or maliciously set it to a value that poses unacceptable risk to DOD information systems. An adversary could exploi...Rule Medium Severity -
PP-MDF-333024
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Apple iOS/iPadOS 18 must be configured to enforce a minimum password length of six characters.
Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. The ability to crack a password is a function of how many attempts an adversary is p...Rule Medium Severity -
PP-MDF-333025
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Apple iOS/iPadOS 18 must be configured to not allow passwords that include more than four repeating or sequential characters.
Password strength is a measure of the effectiveness of a password in resisting guessing and brute force attacks. Passwords that contain repeating or sequential characters are significantly easier t...Rule Medium Severity -
PP-MDF-333030
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Apple iOS/iPadOS 18 must be configured to lock the display after 15 minutes (or less) of inactivity.
The screen lock timeout must be set to a value that helps protect the device from unauthorized access. Having a too-long timeout would increase the window of opportunity for adversaries who gain ph...Rule Medium Severity -
PP-MDF-333040
Group -
PP-MDF-993300
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Apple iOS/iPadOS 18 must be configured to enforce a passcode reuse prohibition of at least two generations.
iOS-iPadOS 17 and later versions include a feature that allows the previous passcode to be valid for 72 hours after a passcode change. If the previous passcode has been compromised and the attacker...Rule High Severity -
PP-MDF-333050
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Apple iOS/iPadOS 18 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].
Forcing all applications to be installed from authorized application repositories can prevent unauthorized and malicious applications from being installed and executed on mobile devices. Allowing s...Rule Medium Severity -
PP-MDF-333070
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PP-MDF-333070
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PP-MDF-333080
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Apple iOS/iPadOS 18 must be configured to not display notifications when the device is locked.
Many mobile devices display notifications on the lock screen so users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new ...Rule Medium Severity -
PP-MDF-333080
Group -
Apple iOS/iPadOS 18 must not display notifications (calendar information) when the device is locked.
Many mobile devices display notifications on the lock screen so users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are new ...Rule Medium Severity -
PP-MDF-333160
Group -
Apple iOS/iPadOS 18 must be configured to display the DOD advisory warning message at startup or each time the user unlocks the device.
Before granting access to the system, the mobile operating system is required to display the DOD-approved system use notification message or banner that provides privacy and security notices consis...Rule Low Severity -
PP-MDF-333240
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Apple iOS/iPadOS 18 must be configured to not allow backup of [all applications, configuration data] to locally connected systems.
Data on mobile devices is protected by numerous mechanisms, including user authentication, access control, and cryptography. When the data is backed up to an external system (either locally connect...Rule Medium Severity -
PP-MDF-333280
Group -
Apple iOS/iPadOS 18 must not allow non-DOD applications to access DOD data.
App data sharing gives apps the ability to access the data of other apps for enhanced user functionality. However, sharing also poses a significant risk that unauthorized users or apps will obtain ...Rule Medium Severity -
PP-MDF-333290
Group -
Apple iPadOS 18 must be configured to disable multiuser modes.
Multiuser mode allows multiple users to share a mobile device by providing a degree of separation between user data. To date, no mobile device with multiuser mode features meets DOD requirements fo...Rule Medium Severity -
PP-MDF-333300
Group -
Apple iOS/iPadOS 18 must be configured to [selection: wipe protected data, wipe sensitive data] upon unenrollment from MDM.
When a mobile device is no longer going to be managed by MDM technologies, its protected/sensitive data must be sanitized because it will no longer be protected by the MDM software, putting it at m...Rule Medium Severity -
PP-MDF-333310
Group -
Apple iOS/iPadOS 18 must be configured to [selection: remove Enterprise applications, remove all noncore applications (any nonfactory-installed application)] upon unenrollment from MDM.
When a mobile device is no longer going to be managed by MDM technologies, its protected/sensitive data must be sanitized because it will no longer be protected by the MDM software, putting it at m...Rule Medium Severity -
PP-MDF-333330
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PP-MDF-993300
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PP-MDF-993300
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Apple iOS/iPadOS 18 must implement the management setting: limit Ad Tracking.
Ad Tracking refers to the advertisers' ability to categorize the device and spam the user with ads that are most relevant to the user's preferences. By not "Force limiting ad tracking", advertising...Rule Low Severity -
PP-MDF-993300
Group -
Apple iOS/iPadOS 18 must implement the management setting: not allow automatic completion of Safari browser passcodes.
The AutoFill functionality in the Safari web browser allows the user to complete a form that contains sensitive information, such as PII, without previous knowledge of the information. By allowing ...Rule Low Severity -
PP-MDF-993300
Group
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