Many of the applications that end up on Facebook have very little credibility. There has even been some cases where viruses can be addeed in applications. This is why Facebook is stepping up their security by adding verified badges to credible applications. The verified app badges will start early next year.
Below is what the verified applications will look like:
Those who want the verified apps implemented into their about page will have to pay a $375 upfront cost. If the application is approved, then it will receive the badge within a few weeks.