Ensure the OS Is Not Active When Resuming from Standby (Intel)

MediumLevel 2Manual reviewmacos

Description

In order to use a computer with Full Disk Encryption (FDE), macOS must keep encryption keys in memory to allow the use of the disk that has been FileVault protected. The storage volume has been unlocked and acts as if it were not encrypted. When the system is not in use, the volume is protected through encryption.

How it is checked

Audit method: Manual review

This recommendation cannot be checked automatically. A scan lists it with these instructions when you pass --include-manual.

Terminal: sudo /usr/sbin/system_profiler SPHardwareDataType | /usr/bin/grep -e MacBook ; sudo /usr/bin/pmset -b -g | /usr/bin/grep -e standby If there is an output, run the following: % /usr/bin/sudo /usr/bin/pmset -b -g | /usr/bin/grep -e standby The output should include a standbydelaylow value ≤ 900, a standbydelayhigh value ≤ 900, and a highstandbythreshol

How it is fixed

Fix method: Guidance or infrastructure patch

Terminal: sudo /usr/bin/pmset -a standbydelaylow <value≤900> ; sudo /usr/bin/pmset -a standbydelayhigh <value≤900> ; sudo /usr/bin/pmset -a highstandbythreshold <value≥90>.

Properties

Operating systems: macos-15
Tags: macossystem-settings
Reference: CIS Apple macOS 15.0 Sequoia Benchmark v2.1.0 - 2.10.1.1 Ensure the OS Is Not Active When Resuming from Standby (Intel)