Apple Upgrades iMessage with Quantum Security in iOS 17.4
- Apple launching quantum computer protection (PQ3) for iMessage in iOS 17.4 to get ahead of future attacks
- Upgrade happens automatically over time once you install iOS 17.4
- Requires both devices in iMessage conversations to be running iOS 17.4
- Protects against "Harvest Now, Decrypt Later" attacks
- Apple predicts full upgrade of all iMessage conversations to quantum security protocol this year