The two-step verification prevents others from accessing without permission from the user’s account if they find out the password.
The attacker, guessed or otherwise, steal your password, can not log without user verification codes, which can only get the user through their mobile phone.
How do I turn on two-step verification?
We have seen the advantages enable two-step verification to our gmail account, now let’s see how to activate this free service.
Step 1. Login to your Google account in your web browser and then visit the Security settings for your Google account: https://myaccount.google.com/security. You might have to enter the password once more to open the settings.
Step 2. In the section under Password & sign-in method, click on 2-Step Verification.
Step 3: You will be asked to login to gmail.
Step 4. Then, please click GET STARTED to continue.
Step 5. In the Add phone number dialog box, enter your phone number and specify how you want to receive codes (usually by SMS text message).
Step 6. There will now be a message containing a 6-digit confirmation code sent to your phone. Enter this confirmation code into the frame “Enter the code” and press Next (If you have not received the confirmation message, click Resend button below the Continue button.
Step 7. Finally, click to TURN ON to activate two-step verification.
What if I lose my phone?
In this case, you should use the Backup codes service. If your phone does not receive the code, you can use this code to sign in to your account.