Update: Facebook Security Fighting Koobface Worm, Chain Letters

As many users are aware, Facebook has been fighting mounting security threats in recent weeks. Developers and analysts alike want to know more about what’s happening and what Facebook is doing to contain the threats, so here’s the story: The Problems 1. A variant of the Koobface worm, originally detected by Kapersky Lab a few weeks ago, has been increasingly spreading on Facebook in recent weeks. Here’s how it works: Net-Worm.Win32.Koobface.b, which targets Facebook users, creates spam messages and sends them to the infected users’ friends via the Facebook site. The messages and comments include texts such as Paris Hilton Tosses Dwarf On The Street; Examiners Caught Downloading Grades From The Internet; Hello; You must see it!!! LOL. My friend catched you on hidden cam; Is it really celebrity? Funny Moments and many others. Messages and comments on MySpace and Facebook include links to http://youtube.[skip].pl. If the user clicks on this link, s/h...