At Google, multi-factor authentication is called “2-Step Verification”. With it, every Google sign-in is also confirmed on your smartphone. You need a computer and a smartphone.
Turn it on
On your computer, open Google Account – Security and sign in with your company account.
Choose 2-Step Verification and click Get started or Turn on 2-Step Verification.
Follow the instructions and set up a first method (see below).
Method: Google Authenticator (recommended)
On your smartphone, install the Google Authenticator app: App Store, Google Play
On your computer, under 2-Step Verification, choose Authenticator app › Set up authenticator. A QR code appears.
In the app, tap + › Scan a QR code and scan the code.
Enter the 6-digit code from the app on your computer and confirm.
Save backup codes
Under 2-Step Verification › Backup codes, get your codes.
Keep the codes in a safe place, e.g. in Keeper, but not together with your password. Each code works only once.
Note: When changing smartphones, move your accounts in Google Authenticator via Transfer accounts. If the old device is gone, sign in with a backup code and set up the app again.
Important: Never share verification codes or backup codes, not even with support.