The revamped iMessage app uses Apple's new PQ3 post-quantum cryptographic protocol, which its engineers say will make it the most secure messaging app but Signal's president begs to differ.
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Apple is overhauling the cryptographic security of iMessage by introducing a new messaging protocol to thwart advanced computing that has yet to become a feasible threat, and probably won't for years.
Apple has announced a significant cryptographic security upgrade to iMessage that introduces PQ3, a post-quantum cryptographic protocol that reaches Level 3 security.