- Change your password. You may have already been asked to change your password when you signed in to your Google Account. If not, you can change it here.
- Verify your account recovery options. Secondary email addresses, phone numbers, and other information can help you regain access to your account if you lose your password. Check to be sure your recovery options are correct and up to date here.
- Check the websites and applications that are allowed to access your account, and revoke any that are unfamiliar here.
- Check your Gmail settings for suspicious forwarding addresses or delegated accounts.
- Pay careful attention to warnings that appear in your web browser and don’t click past them.
For more ways to secure your account, you can visit
http://www.google.com/help/security. If you believe your account has been compromised, you can start the recovery process
here.