Topic: system-integrity

• System Integrity Protection and the Signed System Volume: what they protect, and why not to disable them

  SIP restricts even root from modifying protected system paths or protected processes; the Signed System Volume cryptographically seals the entire system volume and checks it at every boot. Together they explain why /usr/local is writable but /usr is not, and why disabling SIP is not a legitimate fix for a permissions error.

  article · en · reviewed · knowledge as of 2026-09-24

Machine-readable: JSON