The 2021 FFIEC guidance highlights the weaknesses of single-factor authentication and says multi-factor authentication, or controls of equivalent strength, within layered security can effectively reduce unauthorized access.
Checked 2026-09-30
- Vendor
- FFIEC
- Product
- Authentication guidance
- Subsystem
- MFA
- Deployment
- any
- Region
- us
- Release range
- 2021 guidance
- Checked
- 2026-09-30
Sources
- OCC Bulletin 2021-36 Information Security: FFIEC Statement on Authentication and Access to Financial Institution Services and Systems — Office of the Comptroller of the Currency · tier 1 standards and regulators · Highlights list
Cite this note
APA
WarmTransfer. (2026, September 30). Caller authentication and fraud prevention in contact centers: source note contact-center-caller-authentication-ffiec-mfa-layered. WarmTransfer. https://warmtransfer.net/knowledge/claims/contact-center-caller-authentication-ffiec-mfa-layered
BibTeX
@misc{warmtransfer-claim-contact-center-caller-authentication-ffiec-mfa-layered,
title = {Caller authentication and fraud prevention in contact centers: source note contact-center-caller-authentication-ffiec-mfa-layered},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/contact-center-caller-authentication-ffiec-mfa-layered},
note = {Source note contact-center-caller-authentication-ffiec-mfa-layered, checked 2026-09-30}
}