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XCCDF
IBM z/OS ACF2 Security Technical Implementation Guide
SRG-OS-000185-GPOS-00079
The IBM z/OS systems requiring data at rest protection must properly employ IBM DS8880 or equivalent hardware solutions for full disk encryption.
The IBM z/OS systems requiring data at rest protection must properly employ IBM DS8880 or equivalent hardware solutions for full disk encryption.
An XCCDF Rule
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The IBM z/OS systems requiring data at rest protection must properly employ IBM DS8880 or equivalent hardware solutions for full disk encryption.
Medium Severity
<VulnDiscussion>Information at rest refers to the state of information when it is located on a secondary storage device (e.g., disk drive and tape drive, when used for backups) within an operating system. This control addresses the confidentiality and integrity of information at rest and covers user information and system information. Information at rest refers to the state of information when it is located on storage devices as specific components of information systems. 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). Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating system must implement cryptographic modules adhering to the higher standards approved by the federal government since this provides assurance they have been tested and validated. Satisfies: SRG-OS-000185-GPOS-00079, SRG-OS-000405-GPOS-00184, SRG-OS-000404-GPOS-00183, SRG-OS-000396-GPOS-00176</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>