Ensure Signed System Volume (SSV) Is Enabled

ВисокаНиво 1Аутоматскаmacos

Опис

Signed System Volume is a security feature introduced in macOS 11.0 Big Sur. During system installation, a SHA-256 cryptographic hash is calculated for all immutable system files and stored in a Merkle tree which itself is hashed as the Seal. Both are stored in the metadata of the snapshot created of the System volume. The seal is verified by the boot loader at startup. macOS will not boot if system files have been tampered with. If validation fails, the user will be instructed to reinstall the operating system. During read operations for files located in the Signed System Volume, a hash is calculated and compared to the value stored in the Merkle tree. Running without Signed System Volume on a production system could run the risk of Apple software that integrates directly with macOS being modified.

Како се проверава

Метод провере: Команда љуске

shell

/usr/bin/csrutil authenticated-root status 2>/dev/null

Очекивани излаз: Authenticated Root status: enabled

Како се исправља

Метод исправке: Смерница или закрпа инфраструктуре

If SSV has been disabled, assume that the operating system has been compromised. Back up any files, and do a clean install to a known good Operating System.

Својства

Оперативни системи: macos-14
Ознаке: macossonoma
Референца: CIS Apple macOS 14.0 Sonoma Benchmark v3.1.0 - 5.1.4 Ensure Signed System Volume (SSV) Is Enabled

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shell

tmaegis scan --target macos