When enabled, the opt-in Contact Key Verification gives automatic alerts if the iMessage key distribution services return device keys that have not been verified (e.g. if an unrecognized device has ...

Apple launched a new iMessage security feature yesterday in beta called Contact Key Verification. We learned the basics of how it works yesterday but now Apple has published technical details of how ...

In addition to the new Journal app, the iOS 17.2 and macOS 14.2 updates add support for iMessage Contact Key Verification, a feature that Apple first previewed in December of last year. Designed for ...