If you suspect that your Facebook account has been compromised, it's important to take immediate action to secure and recover it. Follow these steps:

1. Change Your Password:Go to Facebook's login page and click on "Forgotten account?".
   Enter your email address or phone number associated with your account and follow the on-screen instructions to reset your password.
   Choose a strong, unique password that you haven't used elsewhere.
   
2. Secure Your Email Account:If the email associated with your Facebook account has been compromised, change its password immediately.
   Enable two-factor authentication (2FA) for your email account for an additional layer of security.
   
3. Check for Unusual Activity:Review your Facebook account activity for any unauthorized changes or posts.
   Look for unfamiliar login locations, unfamiliar friend requests, or unusual changes in account settings.
   
4. Secure Other Accounts:Change passwords for other accounts where you used the same or a similar password.
   Enable 2FA on other accounts whenever possible.
   
5. Review Authorized Apps and Devices:Check the apps and devices connected to your Facebook account. Remove any that you don't recognize or trust.
   Go to Settings > Security and Login > See More > Logged in with Facebook.
   
6. Report the Compromise to Facebook:Visit Facebook's Help Center: https://www.facebook.com/help/
   Search for "compromised account" and follow the instructions provided.
   Use the "Report a Problem" feature on Facebook to report the issue.
   
7. Enable Login Alerts:Turn on login alerts to receive notifications about unrecognized logins.
   Go to Settings > Security and Login > Login Alerts.
   
8. Contact Facebook Support:If you are unable to recover your account through the standard recovery process, contact Facebook support directly.
   Go to Facebook's Help Center and use the support options available: https://www.facebook.com/help/
   
9. Educate Yourself:Stay informed about common phishing techniques and scams to avoid falling victim to similar attacks in the future.
   

Remember to act promptly and follow these steps to regain control of your Facebook account and prevent further unauthorized access. Regularly update your passwords, enable security features like 2FA, and stay vigilant against phishing attempts to enhance your account's security.