In your Last account activity, there are sessions you don’t recognize or there are devices attached to your account that you don’t recognize.Google notified that your password has been changed or suspicious account activity has been detected.You found unusual activity in your account, such as email sent that you don’t remember sending, changes in Gmail settings or changes in labels.Below are some factors that should indicate your account is hacked: Ensure Your Gmail Account is Hackedįirst, let’s make sure someone hacked your Gmail account before we go through the recovery process. In this post, we will get your through the process of recovering your hacked Gmail account and securing it afterwards to avoid future threats.