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Matthew Green
@matthew_d_green@ioc.exchange  ·  activity timestamp 2 days ago

Great article about how TEEs are providing much less security than folks believe they will. https://arstechnica.com/security/2025/10/new-physical-attacks-are-quickly-diluting-secure-enclave-defenses-from-nvidia-amd-and-intel/

Ars Technica

New physical attacks are quickly diluting secure enclave defenses from Nvidia, AMD, and Intel

On-chip TEEs withstand rooted OSes but fall instantly to cheap physical attacks.
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Risotto Bias
@risottobias@toot.risottobias.org replied  ·  activity timestamp 2 days ago

@matthew_d_green ah, so the @signalapp secure contact enclave is weakened?

#signal #blueteam #security

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Derek Robson
@Robsonde@mastodon.social replied  ·  activity timestamp 2 days ago

@matthew_d_green I don’t see it as “less security”

It’s more that they handle one attack vector very well and another vector very badly.

It’s then becomes a discussion about threat models.

If people have physical access to the server then all bets are off, but that’s not top of the threat model for most people.

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Tony “Abolish ICE” Arcieri🌹🦀
@bascule@mas.to replied  ·  activity timestamp 2 days ago

@matthew_d_green deterministic encryption strikes again!

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