NIST Declares the Age of SMS-Based 2-Factor Authentication Over

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2-factor authentication is a great thing to have, and more and more services are making it a standard feature. But one of the go-to methods for sending 2FA notifications, SMS, is being left in the dust by the National Institute of Standards and Technology.

NIST creates national-level guidelines and rules for measurements, and among the many it must keep up to date are some relating to secure electronic communications. An upcoming pair of “special publications,” as its official communiques are called, update its recommendations for a host of authentication and security issues, and the documents are up for “public preview.” I put the phrase in quotes because technically, a “public draft” triggers formal responses from partners and, in fact, from NIST itself. 

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