Apple has announced a major security upgrade for iMessage – protection against quantum computers. Read along for how to get iMessage quantum security on your iPhone, iPad, Mac, and Apple Watch, why it’s valuable, and more.
Ahead of iOS 17.4 arriving for all users, Apple has revealed what it calls the “most significant” cryptographic upgrade for iMessage called PQ3. The new iMessage quantum security is already available for iPhone in the iOS 17.4 beta.Apple says that there will be an automatic “ramping up” of iMessage conversations switching to the post-quantum encryption protocol and that it will require devices on both ends of iMessages to be running iOS 17.4.
Apple predicts the PQ3 iMessage quantum security upgrade “will fully replace the existing protocol within all supported conversations this year.”
