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add kernel integrity protection

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kimg45 2024-08-10 20:32:01 -05:00 committed by GitHub
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content/posts/macos/macOS Security Overview.md
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@ -69,6 +69,8 @@ Apple also issues revocations for notarization tickets, which these are detected
[SIP](https://support.apple.com/guide/security/system-integrity-protection-secb7ea06b49/web) protects [system files](https://support.apple.com/en-us/102149) from being changed, even by the root user. Since it's protecting your base system files, you should **never** disable it even temporarily if you want the best security. [SIP](https://support.apple.com/guide/security/system-integrity-protection-secb7ea06b49/web) protects [system files](https://support.apple.com/en-us/102149) from being changed, even by the root user. Since it's protecting your base system files, you should **never** disable it even temporarily if you want the best security.
On Apple Silicon Macs, it's combined with [Kernel Integrity Protection](https://support.apple.com/guide/security/operating-system-integrity-sec8b776536b/web#sec41bf3cd61) to protect kernel memory from being exploited.
## Secure Boot ## Secure Boot
Mac computers ensure that only Apple-signed code runs from the lowest levels of the firmware to macOS itself. It accomplishes this with a [chain of trust](https://support.apple.com/guide/security/boot-process-secac71d5623/web) that starts with the Boot ROM burned into the Secure Enclave at the factory as the first step. Mac computers ensure that only Apple-signed code runs from the lowest levels of the firmware to macOS itself. It accomplishes this with a [chain of trust](https://support.apple.com/guide/security/boot-process-secac71d5623/web) that starts with the Boot ROM burned into the Secure Enclave at the factory as the first step.