In addition to expanding end-to-end encryption for many additional categories of iCloud data on an optional basis, Apple today also announced two other new security features designed to protect against threats to user data in the cloud.
Verify iMessage contact key
Apple says the new iMessage Contact Key Verification and Apple ID Security Keys will be available globally on iPhone and other devices in 2023.
iMessage Contact Key Verification allows users who experience “emergency digital threats,” such as journalists, human rights activists, and government officials, to further verify that they are only communicating with the intended people. In conversations between users who have enabled iMessage contact key verification, users are alerted if a government-sponsored or other attacker ever manages to hack cloud servers and insert their own device to eavesdrop on the conversation.
As an added layer of security, iMessage Contact Key Verification users can compare the contact verification code in person, in FaceTime, or through another secure call to further ensure they only communicate with the people they intend to.
Security keys for Apple ID
Second , Apple ID security keys will give users the ability to use third-party physical other security keys to further protect your account. For users who enable this feature, security keys enhance Apple's two-factor authentication by requiring a hardware security key as one of the two factors instead of an authentication code.
“Our security teams work tirelessly to ensure that users' data is secure , and with iMessage contact key verification, security keys, and advanced data protection for iCloud, users will get three powerful new tools to further protect their most sensitive data and messages,” said Craig Federighi, Head of Software Engineering at Apple.
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