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add lockdown mode info

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kimg45 2024-08-09 23:10:26 -05:00 committed by GitHub
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content/posts/macos/Security Features of macOS
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@ -70,4 +70,8 @@ A unique feature of Mac computers is that you can set a different LocalPolicy fo
## DMA Protection
Mac computers have an [IOMMU](https://support.apple.com/guide/security/direct-memory-access-protections-seca4960c2b5/1/web/1) so that each DMA agent, including PCIe and Thunderbolt ports, can only access memory explicitly mapped for their use.
Mac computers have an [IOMMU](https://support.apple.com/guide/security/direct-memory-access-protections-seca4960c2b5/1/web/1) so that each DMA agent, including PCIe and Thunderbolt ports, can only access memory explicitly mapped for their use.
## Lockdown Mode
[Lockdown Mode](https://support.apple.com/en-us/105120) is an optional security feature that disables lots of attack surface in your Mac. It may break certain things like websites or apps, but you can disable it for individual apps or websites if you need to.