I - Mission Critical Classified
Rules and Groups employed by this XCCDF Profile
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PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to enable audit logging.
<VulnDiscussion>Audit logs enable monitoring of security-relevant events and subsequent forensics when breaches occur. To be useful, administ...Rule Medium Severity -
PP-MDF-333024
<GroupDescription></GroupDescription>Group -
Google Android 15 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 -
Google Android 15 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 -
Google Android 15 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 -
Google Android 15 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 -
Google Android 15 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-333060
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to enforce an application installation policy by specifying an application allow list that restricts applications by the following characteristics: [selection: list of digital signatures, cryptographic hash values, names, application version].
<VulnDiscussion>The application allow list, in addition to controlling the installation of applications on the MD, must control user access/e...Rule Medium Severity -
PP-MDF-333070
<GroupDescription></GroupDescription>Group -
Google Android 15 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; - Voice assistant application if available when MD is locked; - Voice dialing application if available when MD is locked; - Allows synchronization of data or applications between devices associated with user; - Payment processing; - Allows unencrypted (or encrypted but not FIPS 140-2/140-3 validated) data sharing with other MDs or printers; and - Backs up its 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-333070
<GroupDescription></GroupDescription>Group -
Google Android 15 allow list must be configured to not include artificial intelligence (AI) applications that process device data in the cloud, including Google Gemini.
<VulnDiscussion>Sensitive DOD data could be exposed when an AI app processes device data in the cloud. SFRID: FMT_SMF.1.1 #8</VulnDiscuss...Rule Medium Severity -
PP-MDF-333080
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to not display the following (work profile) notifications when the device is locked: [selection: a. email notifications b. calendar appointments c. contact associated with phone call notification d. text message notification e. other application-based notifications f. all notifications].
<VulnDiscussion>Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner...Rule Medium Severity -
PP-MDF-333110
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to disable trust agents.
<VulnDiscussion>Trust agents allow a user to unlock a mobile device without entering a passcode when the mobile device is, for example, conne...Rule Medium Severity -
PP-MDF-333130
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to disable developer modes.
<VulnDiscussion>Developer modes expose features of the mobile operating system (MOS) that are not available during standard operation. An adv...Rule Medium Severity -
PP-MDF-333160
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to display the DOD advisory warning message at startup or each time the user unlocks the device.
<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-333170
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to generate audit records for the following auditable events: Detected integrity violations.
<VulnDiscussion>Audit logs enable monitoring of security-relevant events and subsequent forensics when breaches occur. They help identify att...Rule Medium Severity -
PP-MDF-333230
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to disable USB mass storage mode.
<VulnDiscussion>USB mass storage mode enables the transfer of data and software from one device to another. This software can include malware...Rule Medium Severity -
PP-MDF-333240
<GroupDescription></GroupDescription>Group -
Google Android 15 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-333250
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to not allow backup of [all applications, configuration data] to remote systems.
<VulnDiscussion>Backups to remote systems (including cloud backup) can leave data vulnerable to breach on the external systems, which often o...Rule Medium Severity -
PP-MDF-333260
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to enable authentication of personal hotspot connections to the device using a preshared key.
<VulnDiscussion>If no authentication is required to establish personal hotspot connections (Wi-Fi and Bluetooth), an adversary may be able to...Rule Medium Severity -
PP-MDF-333290
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to disable multiuser modes.
<VulnDiscussion>Multiuser mode allows multiple users to share a mobile device by providing a degree of separation between user data. To date,...Rule Medium Severity -
PP-MDF-333320
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to disable all Bluetooth profiles except for HSP (Headset Profile), HFP (Hands-Free Profile), SPP (Serial Port Profile), A2DP (Advanced Audio Distribution Profile), AVRCP (Audio/Video Remote Control Profile), and PBAP (Phone Book Access Profile).
<VulnDiscussion>Some Bluetooth profiles provide the capability for remote transfer of sensitive DOD data without encryption or otherwise do n...Rule Low Severity -
PP-MDF-333330
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to disable ad hoc wireless client-to-client connection capability.
<VulnDiscussion>Ad hoc wireless client-to-client connections allow mobile devices to communicate with each other directly, circumventing netw...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Google Android 15 users must complete required training.
<VulnDiscussion>The security posture of Google devices requires the device user to configure several required policy rules on their device. U...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to disable Wi-Fi Sharing.
<VulnDiscussion>Wi-Fi Sharing is an optional configuration of Wi-Fi Tethering/Mobile Hotspot, which allows the device to share its Wi-Fi conn...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Google Android 15 must be configured to enforce a password for Wi-Fi and Bluetooth hotspot, if approved for use by the approving authority (AO). If not approved for use, Wi-Fi and Bluetooth hotspot must be disabled.
<VulnDiscussion>Wi-Fi and Bluetooth hotspot use may increase the risk for exposing sensitive DOD data for some use cases, therefore it should...Rule Medium Severity -
PP-MDF-993300
<GroupDescription></GroupDescription>Group -
Google Android 15 must have the DOD root and intermediate PKI certificates installed.
<VulnDiscussion>DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services....Rule Medium Severity
Node 2
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