DarkReading.Com: It was only a matter of time before the bad guys figured out how to exploit Facebook's third-party Platform Applications, aka "widgets": The first spyware disguised as a Facebook app is now spreading around the social networking site, according to Fortinet's research team.

The app, called Secret Crush, sends the victim an invitation to find out who has a secret "crush" on him or her, and attempts to lure them into installing and running the Secret Crush app. But the app instead spreads Zango spyware via an iFrame.

Then the attack gets even craftier: "Before you can find out who might have a crush on you, you need to invite at least 5 friends!" That basically sews up the attack as a social worm, according to Fortinet researchers. Like other Facebook Platform Applications, the terms of service for Secret Crush say users' personal information can be disclosed

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