Hanging Up on Telephony: How to move from SMS and phone to stronger MFA (opens in new tab)

When it comes to multi-factor authentication (MFA), not all methods provide the same level of protection. Telephony-based MFA, including SMS passcodes and phone callback verification, was once considered a reliable and accessible option. Today, evolving security standards and an increase in sophisticated cyberattacks has rendered these methods increasingly vulnerable, and many organizations are replacing SMS MFA with stronger alternatives like Duo Push notifications, security keys, and biomet...