Ensure Power Nap Is Disabled for Intel Macs

BaixaNível 1Automatizadamacos

Descrição

Power Nap allows the system to stay in low power mode, especially while on battery power, and periodically connect to previously known networks with stored credentials for user applications to phone home and get updates. This capability requires FileVault to remain unlocked and the use of previously joined networks to be risk accepted based on the SSID without user input. This control has been updated to check the status on both battery and AC Power. The presence of an electrical outlet does not completely correlate with logical and physical security of the device or available networks. Disabling this feature mitigates the risk of an attacker remotely waking the system and gaining access. The use of Power Nap adds to the risk of compromised physical and logical security. The user should be able to decrypt FileVault and have the applications download what is required when the computer...

Como é verificado

Método de auditoria: Comando shell

shell

[ -x /usr/bin/pmset ] || exit 1
/usr/sbin/sysctl -n machdep.cpu.brand_string | /usr/bin/grep -q Intel || { echo 0; exit 0; }
/usr/bin/pmset -g custom | /usr/bin/awk '$1 == "powernap" && $2 == 1 {n++} END {print n+0}'

Saída esperada: 0

Como é corrigido

Método de correção: Orientação ou patch de infraestrutura

Graphical Method: Perform the following steps to disable Power Nap: Desktop Instructions: 1. Open System Settings 2. Select Energy Saver 3. Set Power Nap to disabled 4. Select UPS (if applicable) 5. Set Power Nap to disabled Laptop Instructions: 1. Open System Settings 2. Select Battery 3. Select Power Adapter (for laptops only) 4. Set Power Nap to disabled 5. Select Battery 6. Set Power Nap to disabled 7. Select UPS (if applicable) 8. Set Power Nap to disabled Terminal Method: Run the following command to disable Power Nap: % /usr/bin/sudo /usr/bin/pmset -a powernap 0

Propriedades

Sistemas operacionais: macos-14
Tags: macossonoma
Referência: CIS Apple macOS 14.0 Sonoma Benchmark v3.1.0 - 2.9.2 Ensure Power Nap Is Disabled for Intel Macs

Verificar este host

Execute isto em uma máquina que você tenha permissão para auditar. A varredura é somente leitura.

shell

tmaegis scan --target macos