Digital ants could soon be crawling through your computer’s hard drive, but don’t worry, they are there to help.
Scientists from Wake Forest University and the Pacific Northwest National Laboratory have created an army of digital ants and their superior officers, digital sergeants and sentinels, to search out viruses, worms and other malware.
http://dsc.discovery.com/news/2009/10/28/digital-ants-computer.html