Apple iOS/iPadOS 18 Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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Apple iOS/iPadOS 18 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 18 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-333030
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 18 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 18 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-993300
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 18 must be configured to enforce a passcode reuse prohibition of at least two generations.
<VulnDiscussion>iOS-iPadOS 17 and later versions include a feature that allows the previous passcode to be valid for 72 hours after a passcod...Rule High Severity -
PP-MDF-333050
<GroupDescription></GroupDescription>Group -
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].
<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 -
Apple iOS/iPadOS 18 must not include applications with the following characteristics: access to Siri when the device is locked.
<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-333070
<GroupDescription></GroupDescription>Group -
Apple iOS/iPadOS 18 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 140-3 validated) data sharing with other MDs or printers.- Apps which backup their own data to a remote system.
<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 18 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 18 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 -
Apple iOS/iPadOS 18 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
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