What is a passkey authenticator? Only the key to our passwordless tomorrow

November 14, 2025

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ZDNET’s key takeaways

Passkeys are on a course to replace most passwords.
Using passkeys involves a delicate balance of multiple technologies.
One of those technologies is the “authenticator,” of which there are multiple types.

In ZDNET’s six-part series on how passkeys work and why the passwordless technology produces a significantly more secure login credential than typical usernames and passwords, I spilled a…

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