Apple Rolls Out Quantum-Secure Encryption for iMessage with Software Updates
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Apple announces quantum computer protection for iMessage with iOS 17.4 update, calling it "most significant cryptographic security upgrade in iMessage history".
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New post-quantum cryptography protocol PQ3 will provide "strongest security properties of any at-scale messaging protocol in the world".
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PQ3 aims to future-proof iMessage security against potential hacking threats from future quantum computers.
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Upgrade will roll out with iOS 17.4, iPadOS 17.4, macOS 14.4 and watchOS 10.4.
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PQ3 encryption will automatically enable for conversations between updated devices, fully replacing current protocol by end of 2024 as Apple gains operational experience.