For five years, Czech student Marek Strihavka programmed computer viruses as part of the underground group 29A.

A twist of fate, however, has led the former virus writer to take a job stopping digital pests like those he used to create. About a year after leaving 29A, which takes its name from the base-16 representation of 666, the 22-year-old resident of Brno in the Czech Republic became the main developer of Zoner Software's antivirus system.



Link: Cnet