When two-factor authentication was first introduced, it revolutionized device security and helped make identity theft much more difficult – at the slight cost of minor inconvenience added to logins.

Following two weeks of extreme chaos at Twitter, users are joining and fleeing the site in droves. More quietly, many are likely scrutinizing their accounts, checking their security settings, and ...

Your email two-factor authentication isn't much better, unfortunately.

I have long encouraged the use of two-factor authentication (2FA) or two-step verification (2SV) with online accounts whenever possible (for more about the difference, see “Two-Factor Authentication, ...

It might be a good idea to review and change your two-factor authentication options for Twitter. Elon Musk’s Twitter has another issue for its users to worry about. Twitter has reportedly been having ...

Text message two-factor authentication sounds like a security upgrade. It feels official. It looks responsible. Yet it often ...

A talented hacker might be able to easily crack the password for your bank account – especially if it falls under the easy-to-guess formula of your first name and last initial. However, if you have ...

You’ve probably noticed a requirement to enter a temporary passcode sent through email or text message after giving your password to log into one of your online ...

Increased online fraud and new industry regulations are driving companies to search for stronger authentication methods. The problem is there’s little agreement on the best authentication method or ...

Two-factor authentication is the best protection against any of those, plus so much more. I'll explain what it is and why you should enable it whenever possible. Sometimes called 2-factor ...

You’ve heard the advice for years: Turn on two-factor authentication everywhere it’s offered. It’s long been clear that using only a username and password to ...