What to Know First, turn on two-factor authentication for the account. You'll get a QR code or setup key. Next, open the Google Authenticator app and tap the plus sign. Record the 2FA code/key.

QR code authentication is still susceptible to phishing scams The simplest way for a hacker to access an account provided by two-factor authentication is to provide you with a fake QR code. For ...

Ever since Google enabled two-step verification for Gmail and other tied authentication protocols in its ecosystem, SMS codes have been a mainstay. But according to security analyses, SMS codes ...

Setting up two-factor authentication on macOS is easy—you can scan a QR code for an automatic setup, or enter a code manually, and you’re good to go. The process for most websites, apps, and ...

Adding insult to injury, QR codes involved with setting up two-factor authentication also contain the name of the account or service (Amazon or Twitter, for example).

Get 2FA codes if you can’t access Google Authenticator If you can't log in to the Google Authenticator app, you can try other two-factor authentication (2FA) methods like Google backup codes.