George Ledin teaches students how to write viruses in order to make them understand how to protect.

Watch the video on Newsweek here.

In a windowless underground computer lab in California, young men are busy cooking up viruses, spam and other plagues of the computer age. Grant Joy runs a program that surreptitiously records every keystroke on his machine, including user names, passwords, and credit-card numbers. And Thomas Fynan floods a bulletin board with huge messages from fake users. Yet Joy and Fynan aren’t hack - they’re students in a computer-security class at Sonoma State University. And their professor, George Ledin, has showed them how to penetrate even the best antivirus software.

Continue reading the rest of the article here.