NIST SP 800-63B-4 prohibits biometric comparison based on voice.

Checked 2026-09-30

Biometric comparison based on voice SHALL NOT be used.
Vendor
NIST
Product
SP 800-63B-4
Subsystem
biometrics
Deployment
any
Region
us
Release range
revision 4
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Caller authentication and fraud prevention in contact centers: source note contact-center-caller-authentication-nist-voice-biometric-ban. WarmTransfer. https://warmtransfer.net/knowledge/claims/contact-center-caller-authentication-nist-voice-biometric-ban

BibTeX

@misc{warmtransfer-claim-contact-center-caller-authentication-nist-voice-biometric-ban,
  title  = {Caller authentication and fraud prevention in contact centers: source note contact-center-caller-authentication-nist-voice-biometric-ban},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/contact-center-caller-authentication-nist-voice-biometric-ban},
  note   = {Source note contact-center-caller-authentication-nist-voice-biometric-ban, checked 2026-09-30}
}

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