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 ...

Two-factor authentication (2FA) has emerged as a critical tool to prevent cybercrime. This functionality provides an additional layer of security beyond traditional password-based authentication. By ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, Dec. 25, 2024: This story, originally published Dec.