Apple has shipped iOS 17.2 to all users and it includes a new feature that is intended to protect users from attackers who could be misusing the company’s iMessage server infrastructure. Called iMessage Contact Key Verification, the feature “automatically verifies that you’re messaging with the person that you intend”, thus protecting people from attackers intent on reading or listening in on other people’s conversations.

What has prompted Apple to release the feature and how exactly does it work? Find out in the video.

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