“We work with computers all the time, we love computers… but as a result we have to understand the potential threat here. There are people who, when we raise the issue, say there’s no instance [malicious cyber activity] has happened, but how do we know?” said Eugene Spafford, chair of the public policy council at the U.S. Association of Computational Mechanics and professor of computer sciences at Purdue University. “There are many incidents of malicious software and activity out there, and they can get into any system that’s not properly secured.”