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Google Android 15 COBO Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • Google Android 15 must be configured to disable all data signaling over [assignment: list of externally accessible hardware ports (for example, USB)].

    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-333350

    Group
  • PP-MDF-993300

    Group
  • Google Android 15 must allow only the administrator (MDM) to perform the following management function: Disable Phone Hub.

    It may be possible to transfer work profile data on a DOD Android device to an unauthorized Chromebook if the user has the same Google Account set up on the Chromebook and in the work profile on th...
    Rule Low Severity
  • PP-MDF-993300

    Group
  • Google Android 15 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
  • Google Android 15 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
  • 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.

    Requiring all authorized applications to be in an application allow list prevents the execution of any applications (e.g., unauthorized, malicious) that are not part of the allow list. Failure to c...
    Rule Medium Severity
  • 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.

    Sensitive DOD data could be exposed when an AI app processes device data in the cloud. SFRID: FMT_SMF.1.1 #8
    Rule Medium Severity
  • 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].

    Many mobile devices display notifications on the lock screen so that users can obtain relevant information in a timely manner without having to frequently unlock the phone to determine if there are...
    Rule Medium Severity
  • Google Android 15 must be configured to disable trust agents.

    Trust agents allow a user to unlock a mobile device without entering a passcode when the mobile device is, for example, connected to a user-selected Bluetooth device or in a user-selected location....
    Rule Medium Severity
  • Google Android 15 must be configured to generate audit records for the following auditable events: Detected integrity violations.

    Audit logs enable monitoring of security-relevant events and subsequent forensics when breaches occur. They help identify attacks so that breaches can be prevented or limited in their scope. They f...
    Rule Medium Severity
  • Google Android 15 must be configured to disable USB mass storage mode.

    USB mass storage mode enables the transfer of data and software from one device to another. This software can include malware. When USB mass storage is enabled on a mobile device, it becomes a pote...
    Rule Medium Severity
  • Google Android 15 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
  • 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).

    Some Bluetooth profiles provide the capability for remote transfer of sensitive DOD data without encryption or otherwise do not meet DOD IT security policies and therefore must be disabled. SFRID:...
    Rule Low Severity
  • Google Android 15 must have the DOD root and intermediate PKI certificates installed.

    DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the root and intermediate certificates are not available, an adversa...
    Rule Medium Severity
  • The Google Android 15 work profile must be configured to disable automatic completion of workspace internet browser text input.

    The autofill functionality in the web browser allows the user to complete a form that contains sensitive information, such as personally identifiable information (PII), without previous knowledge o...
    Rule Medium Severity
  • Google Android 15 must be configured to disallow configuration of date and time.

    Determining the correct time a particular application event occurred on a system is critical when conducting forensic analysis and investigating system events. Periodically synchronizing interna...
    Rule Medium Severity
  • Android 15 devices must be configured to disable the use of third-party keyboards.

    Many third-party keyboard applications are known to contain malware. SFRID: FMT_SMF.1.1 #47
    Rule Low Severity
  • Android 15 devices must be configured to enable Common Criteria Mode (CC Mode).

    The CC Mode feature is a superset of other features and behavioral changes that are mandatory MDFPP requirements. If CC mode is not implemented, the device will not be operating in the NIAP-certifi...
    Rule Low Severity
  • The Google Android 15 must allow only the administrator (EMM) to install/remove DOD root and intermediate PKI certificates.

    DOD root and intermediate PKI certificates are used to verify the authenticity of PKI certificates of users and web services. If the user is allowed to remove root and intermediate certificates, th...
    Rule Medium Severity
  • Google Android 15 must be configured to disable "Private Space" use.

    Private Space is an Android feature that provides a separate encrypted container on the mobile device. Apps in Private Space show up in a separate container in the launcher and are hidden from the ...
    Rule High Severity

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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