How to Authenticate From the Steam App To get codes from your phone, open the mobile app (iOS, Android) and tap the shield icon in the middle of the bottom toolbar. Select Add authenticator and add ...

If you think your Steam account is safe, think again—there's word of a massive data breach affecting Steam on the dark web. I'm off to reset my Steam password and enable Steam Guard, just to be sure.

Update May 14, 6:38PM ET: Valve has confirmed that Steam systems were not breached and identifying user data has not been stolen or accessed by hackers. The company provided clarification in a Steam ...