The operating system must protect the confidentiality and integrity of all information at rest.

From Apple OS X 10.10 (Yosemite) Workstation Security Technical Implementation Guide

Associated with: CCI-001199

SV-74121r1_rule The operating system must protect the confidentiality and integrity of all information at rest.

Vulnerability discussion

FileVault Disk Encryption must be enabled. By encrypting the system hard drive, the confidentiality and integrity of any data stored on the system is ensured.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 either lost or stolen, and the contents of their data storage (e.g., hard drives and non-volatile memory) can be read, copied, or altered. FileVault Disk Encryption mitigates this risk.

Check content

To check if FileVault 2 is enabled, run the following command: sudo fdesetup status If FileVault is 'Off' and the device is a laptop, 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: sudo fdesetup enable After FileVault is initially set up, additional users can be added.

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