To use Microsoft Authenticator with a non-Microsoft site or app, you'll need to have the QR code handy from the site or app in question so that you can scan it within the Authenticator app.

A number of attendees opened Microsoft Authenticator, scanned the QR code, and proceeded to overwrite another application’s TOTP (Time-based One-Time Password) key,” Randall wrote.

Update: Apple has now removed most scam authenticator apps from the App Store – see end of piece. Twitter’s latest bonehead move has led to a flurry of scam authenticator apps, with at least ...

Last year, Sergio Caltagirone found himself in a tough spot. While traveling, his phone broke and stopped working completely. With no access to his Google and Microsoft authenticator apps, he lost ...