Steam Guard acts as two-factor authentication for the platform, and anytime you want to access your Steam account on a new device it will send you a code or let you scan a QR code to prove that it ...

To keep Steam accounts safe, all users should activate multi-factor authentication (MFA), enable 'Steam Guard Mobile Authenticator,' and regularly review login activity for suspicious sign-ins.

To protect Steam accounts, users should enable multi-factor authentication and “Steam Guard Mobile Authenticator.” Regularly checking login activity can also spot suspicious sign-ins. On YouTube, only ...