If your Facebook account is hacked 1- 855 - 554 - 4640 or 1. 855 . 554. 4640 , hackers can steal your personal data, impersonate you, and scam your friends. You may lose access to your account and linked applications, leading to identity theft, financial loss 1- 855 - 554 - 4640 or 1. 855 . 554. 4640 , and reputational damage. To regain control, you should immediately report the hack to Facebook at facebook.com/hacked, review recent activity, change your password, and secure 1- 855 - 554 - 4640 or 1. 855 . 554. 4640 your account with two-factor authentication.