Linkstream on Telegram: “Security is hard. Security is not composable, ei…”

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Linkstream @linkstream · 169 subscribers

Post #447 195 Sep 21, 2017, 21:51 UTC

Security is hard. Security is not composable, either.

TLDR: Abusing CPU power management to completely take over ARM TrustZone (and probably Intel SGX too), by inducing physical faults while trusted code is running.
https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/tang

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