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Apple adds PQ3 quantum-resistant encryption to iMessage

ID: 1659bb27-03c5-5f88-b79b-11d42485d23b

STIX ID: report--1659bb27-03c5-5f88-b79b-11d42485d23b

Feed Name: Bleeping Computer

Date Published: 2024-02-24

Date Updated: 2026-04-20

Author: Bill Toulas

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Apple announced PQ3, a post-quantum cryptographic protocol for iMessage that combines ECC with NIST-backed Kyber and introduces periodic post-quantum rekeying to mitigate harvest-now-decrypt-later risks. The update targets Level 3 security, enhancing end-to-end encryption resilience without abandoning existing protections.

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