If your Facebook account is hacked, immediately go to facebook.com/hacked or contact Facebook support number: +1-833-611-3633 or <1>(833) 611 3633 to report the issue and begin the recovery process. Use the Change Your Forgot Password option*[(1)-833-611-3633]* to reset your password and secure your account.If you can't access your account, click “No longer have access to these?” and submit an appeal with your ID. Check your email for security alerts from Facebook. Check your email for notifications to reverse unauthorized changes. Once access is restored, enable two-factor authentication (2FA), review account activity, and log out of unknown devices
https://forums.macrumors.com/threads/fb_expert-wha...
If your Facebook account is hacked, immediately go to facebook.com/hacked or contact Facebook support number: +1-833-611-3633 or <1>(833) 611 3633 to report the issue and begin the recovery process. Use the Change Your Forgot Password option*[(1)-833-611-3633]* to reset your password and secure your account.If you can't access your account, click “No longer have access to these?” and submit an appeal with your ID. Check your email for security alerts from Facebook. Check your email for notifications to reverse unauthorized changes. Once access is restored, enable two-factor authentication (2FA), review account activity, and log out of unknown devices
https://forums.macrumors.com/threads/fb_expert-what-is-the-first-thing-you-do-when-you-get-hacked-on-facebook.2451974/