Delete suspicious Facebook Applications
It is very likely that the reason your account has a life of its own, and is sending spam links to your friends/contacts is a malicious application that somehow deceived your security settings, or was accidentally installed.
Remove unknown accessories from your web browser
Add-ons, Plug-ins, and Extensions, are small executable code components that extend and / or add extra features to our preferred web browser: IE, Chrome, Firefox.
Change your Facebook password
Simply typing the incorrect Facebook.com URL in your browser can redirect you to one of the several fake Facebook pages (Phishing) whose goal is to steal your password and other account information.
Make sure your computer is virus free
Your computer may be infected by a virus, keylogger, trojan, or worm; those being some of the variations of the famous Koodface, which is the real culprit of your Facebook account’s pitfall.
Final Tips for safety on Facebook
If you are not sure if the message, photo, video, or link was actually sent by a friend, it is better to ask them directly, and of course, never “click” on these links. If theydid not send it, let them know that your computer was probably infected, and that your Facebook account has been compromised.
Article written by Gustavo Alguero