X is warning that users must re-enroll their security keys or passkeys for two-factor authentication (2FA) before November 10 or they will be locked out of their accounts until they do so.

Not everyone agrees. But I’ve found that some dissent is rooted in a lack of understanding how passkeys work. I don’t blame the skeptics. Passkeys are simple to use, but their technical nuances can be ...

Signal’s getting ahead of the quantum curve, adding new layers of encryption to keep your chats safe from tomorrow’s ...