Over the past months there have been many many malware attacks targeting Facebook users. As much as Facebook tries to do it's best to keep users safe, there are too many ways to lure a user into infecting themselves and others. While Facebook is a social network, it is social engineering that is getting users into trouble. How do you protect yourself from these attacks? You need to educate yourself on what they are and how they work.
Barracuda Networks blog post on the Seven Annoying Attacks That Facebook Misses is one of the best ways to start educating yourself and being able to spot the fake posts and social engineered attempts at getting you to click and infect yourself.