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// glossary
Passkey
Passkey: A FIDO2 credential made of a key pair. The private key stays on the device or in a password manager and only signs in to the site it was created for.
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Posts that use this term
- Microsoft is retiring its own SMS and voice MFA. Here's your plan. 4 Sept 2026
- Microsoft Authenticator now blocks jailbroken and rooted devices 22 Jul 2026
- System-preferred authentication now picks the first factor too 27 May 2026
- Require phishing-resistant MFA on every PIM activation 22 Apr 2026
- External MFA is GA: third-party MFA without giving up Conditional Access 25 Feb 2026
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