Mikko Hypponen is the chief research officer for F-Secure. He has led the team that took down the worldwide network used by the Sobig.F worm in 2003, was the first to warn the world about the Sasser outbreak in 2004 and named the infamous Storm Worm in 2007. Mr. Hypponen has assisted law enforcement in the USA, Europe and Asia on cybercrime cases, and is also an inventor for several patents, including US patent 6,577,920 "Computer virus screening."