The OS X system must implement cryptographic mechanisms to protect the confidentiality and integrity of all information at rest.

From Apple OS X 10.12 Security Technical Implementation Guide

Part of SRG-OS-000185-GPOS-00079

Associated with: CCI-001199 CCI-002475 CCI-002476

SV-90785r1_rule The OS X system must implement cryptographic mechanisms to protect the confidentiality and integrity of all information at rest.

Vulnerability discussion

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) within an organizational information system. Mobile devices, laptops, desktops, and storage devices can be lost or stolen, and the contents of their data storage (e.g., hard drives and non-volatile memory) can be read, copied, or altered. By encrypting the system hard drive, the confidentiality and integrity of any data stored on the system is ensured. FileVault Disk Encryption mitigates this risk.Satisfies: SRG-OS-000185-GPOS-00079, SRG-OS-000404-GPOS-00183, SRG-OS-000405-GPOS-00184

Check content

To check if "FileVault 2" is enabled, run the following command: /usr/bin/sudo /usr/bin/fdesetup status If "FileVault" is "Off" and the device is a mobile device or the organization has determined that the drive must encrypt data at rest, this is a finding.

Fix text

Open System Preferences >> Security and Privacy and navigate to the "FileVault" tab. Use this panel to configure full-disk encryption. Alternately, from the command line, run the following command to enable "FileVault": /usr/bin/sudo /usr/bin/fdesetup enable After "FileVault" is initially set up, additional users can be added.

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