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Incorporating Syncable Authenticators Into NIST SP 800-63B



Ryan Galluzzo, Andrew Regenscheid, David Temoshok, Connie LaSalle


This supplement to NIST Special Publication 800-63B, Authentication and Lifecycle Management, provides agencies with additional guidance on the use of authenticators that may be synced between devices.
Special Publication (NIST SP) - NIST SP 800-63Bsup1
Report Number
NIST SP 800-63Bsup1


authentication, authentication assurance, digital authentication, digital credentials, digital identity, electronic authentication, electronic credentials, passkey, Syncable Authenticator.


Galluzzo, R. , Regenscheid, A. , Temoshok, D. and LaSalle, C. (2024), Incorporating Syncable Authenticators Into NIST SP 800-63B, Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD, [online],, (Accessed May 19, 2024)


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Created April 22, 2024