One-time SMS codes are widely used as the second checkpoint in two-factor authentication (2FA) to sign into everything from banking apps to email accounts. As I've written before, though, SMS is one ...

To join the CNBC Technology Executive Council, go to cnbccouncils.com/tec OTPs via text message, or SMS, are vulnerable to attacks by fraudsters through a variety of ...

Compare the top 5 multi-factor authentication software in 2026. Find the best customer MFA solution for your apps with our detailed platform review.

Authentication determines who gets in and who stays out. Getting this right means fewer breaches, less downtime, and stronger ...