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Apple Announces 'Groundbreaking' New Security Protocol for iMessage
Apple today announced a new post-quantum cryptographic protocol for iMessage called PQ3. Apple says this "groundbreaking" and...
PQ3 will be gradually rolling out for supported iMessage conversations starting with iOS 17.4, iPadOS 17.4, macOS 14.4, and watchOS 10.4 in March, and it is already in the latest beta versions of these updates, according to Apple. iMessage already supports end-to-end encryption, but existing cryptographic protocols that are commonly used by messaging apps rely on mathematical problems that could potentially be solved by future quantum computers. Although such quantum computers don't yet exist, extremely well-resourced attackers can already prepare for their possible arrival by taking advantage of the steep decrease in modern data storage costs.
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