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XCCDF
IBM AIX 7.x Security Technical Implementation Guide
SRG-OS-000480-GPOS-00227
AIX must encrypt user data at rest using AIX Encrypted File System (EFS) if it is required.
AIX must encrypt user data at rest using AIX Encrypted File System (EFS) if it is required.
An XCCDF Rule
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AIX must encrypt user data at rest using AIX Encrypted File System (EFS) if it is required.
Medium Severity
<VulnDiscussion>The AIX Encrypted File System (EFS) is a J2 filesystem-level encryption through individual key stores. This allows for file encryption in order to protect confidential data from attackers with physical access to the computer. User authentication and access control lists can protect files from unauthorized access (even from root user) while the operating system is running. Operating systems handling data requiring "data at rest" protections must employ cryptographic mechanisms to prevent unauthorized disclosure and modification of the information at rest. Selection of a cryptographic mechanism is based on the need to protect the integrity of organizational information. The strength of the mechanism is commensurate with the security category and/or classification of the information. Organizations have the flexibility to either encrypt all information on storage devices (i.e., full disk encryption) or encrypt specific data structures (e.g., files, records, or fields). Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000405-GPOS-00184, SRG-OS-000404-GPOS-00183</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>