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Changing the pre-registered telephone number SHALL NOT be possible without two-factor authentication at the time of the change. It then sends the SMS message to the pre-registered telephone number.
PUSH BAND APP VERIFICATION
If the out of band verification is to be made using a SMS message on a public mobile telephone network, the verifier SHALL verify that the pre-registered telephone number being used is actually associated with a mobile network and not with a VoIP (or other software-based) service. “Due to the risk that SMS messages may be intercepted or redirected, implementers of new systems SHOULD carefully consider alternative authenticators. That’s why the latest overhaul of guidelines on effective strong authentication, identity proofing and identity federation is good news for everyone who wants to keep their online identity, data and accounts safe.Īs for SMS-based OOB Authentication, NIST writes in its public draft: NIST’s guidelines affect not only government agencies, but rather also trickle down to inform the way the private sector handles identity and access management. NIST or the US National Institute of Standards and Technology is updating its guidelines for digital online authentication, making what appear to be considerable updates to the 2013 edition (800-63-2) in its latest public draft, published on May 8 th, titled “ Special Publication 800-63-3 Authentication and Lifecycle Management.”