Samsung Android OS 14 with Knox 3.x COBO Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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PP-MDF-993300
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Samsung Android must be enrolled as a COBO device.
The device is the designated application group for the COBO use case. SFR ID: FMT_MOF_EXT.1.2 #47Rule Medium Severity -
PP-MDF-333160
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Samsung Android 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-333025
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PP-MDF-333024
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Samsung Android 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-333040
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Samsung Android must be configured to not allow more than 10 consecutive failed authentication attempts.
The more attempts an adversary has to guess a password, the more likely the adversary will enter the correct password and gain access to resources on the device. Setting a limit on the number of at...Rule Medium Severity -
PP-MDF-333030
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Samsung Android 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-333110
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PP-MDF-333030
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Samsung Android must be configured to enable a screen-lock policy that will lock the display after a period of inactivity - Disable trust agents.
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-333250
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Samsung Android must be configured to not allow backup of all applications and configuration data to remote systems. - Disable Backup Services.
Backups to remote systems (including cloud backup) can leave data vulnerable to breach on the external systems, which often offer less protection than the MOS. Where the remote backup involves a cl...Rule Medium Severity -
PP-MDF-333130
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Samsung Android must be configured to disable developer modes.
Developer modes expose features of the MOS that are not available during standard operation. An adversary may leverage a vulnerability inherent in a developer mode to compromise the confidentiality...Rule Medium Severity -
PP-MDF-333320
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PP-MDF-333100
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PP-MDF-333230
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Samsung Android 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 -
PP-MDF-333240
Group -
Samsung Android must be configured to not allow backup of all applications and 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-333260
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Samsung Android must be configured to enable authentication of personal hotspot connections to the device using a preshared key. - Disallow config tethering.
If no authentication is required to establish personal hotspot connections (Wi-Fi and Bluetooth), an adversary may be able to use that device to perform attacks on other devices or networks without...Rule Medium Severity -
PP-MDF-993300
Group -
Samsung Android must be configured to disallow configuration of the device's 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 internal...Rule Medium Severity -
PP-MDF-993300
Group -
PP-MDF-333060
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Samsung Android must be configured to enforce an application installation policy by specifying an application allowlist that restricts applications by the following characteristics: Names.
The application allowlist, in addition to controlling the installation of applications on the MD, must control user access/execution of all core and preinstalled applications, or the MD must provid...Rule Medium Severity -
PP-MDF-333070
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PP-MDF-333080
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Samsung Android must be configured to not display the following (Work Environment) notifications when the device is locked: 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 -
PP-MDF-993300
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Samsung Android must be configured to enable audit logging.
Audit logs enable monitoring of security-relevant events and subsequent forensics when breaches occur. They help identify attacks so that breaches can either be prevented or limited in their scope....Rule Medium Severity -
PP-MDF-993300
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PP-MDF-333250
Group -
PP-MDF-333350
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Samsung Android must allow only the Administrator (management tool) to perform the following management function: 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 -
PP-MDF-333050
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Samsung Android must be configured to enforce an application installation policy by specifying one or more authorized application repositories, including DOD-approved commercial app repository, management tool server, or 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-993300
Group -
Samsung Android must be configured to enable Common Criteria (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 -
PP-MDF-331080
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PP-MDF-993300
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Samsung Android device users must complete required training.
The security posture of Samsung devices requires the user to configure several required policy rules on their device. User-Based Enforcement (UBE) is required for these controls. In addition, if th...Rule Medium Severity -
PP-MDF-993300
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The Samsung Android device must have the latest available Samsung Android operating system (OS) installed.
Required security features are not available in earlier OS versions. In addition, earlier versions may have known vulnerabilities. SFR ID: FMT_MOF_EXT.1.2 #47Rule High Severity -
PP-MDF-993300
Group
Node 2
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