Meta's Confidential Computing Promise Doesn't Protect Data if Inference Isn't Attested
signulll · x · 2026-09-12
- signulll dissects Meta's confidential computing pledge: it isn't deployed yet, and only delivers its strong guarantee if inference runs inside an attested confidential boundary or an equivalent privacy architecture.
- Otherwise users are sending plaintext context to Meta's inference endpoint, meaning Meta's infrastructure sees all user data — "an elaborate lock on the bedroom while mailing the diary to Meta every 300ms."
- If inference is also locked from training/retention, he agrees with Zuck that commerce transaction fees at Meta scale could be a massive business once agents transact heavily.
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