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Apple Strengthens iMessage Security with Post-Quantum Encryption

February 22, 2024

Apple announced this week that it is implementing post-quantum cryptography in its iMessage platform to protect against potential future attacks powered by quantum computers. The new encryption protocol, called PQ3, will roll out later this year.

According to an Apple blog post, “PQ3 is a groundbreaking post-quantum cryptographic protocol that advances the state of the art of end-to-end secure messaging.” The company says PQ3 will provide the strongest known protections against quantum attacks that could emerge as quantum computing matures.

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