Apple Announces Post-Quantum Encryption Algorithms for iMessage

Apple announced PQ3, a post-quantum encryption design for iMessage leveraging the NIST-selected Kyber key-encapsulation algorithm. The piece notes that while adopting specific post-quantum schemes may be somewhat premature given rapidly evolving cryptanalysis, Apple’s implementation demonstrates strong algorithmic agility and aims to counter harvest-now-decrypt-later risks as quantum computing advances.