Laser Security for the Internet: Scientist Invents a Digital Security Tool Good Enough for the CIA -- And for You

A British computer hacker equipped with a "Dummies" guide recently tapped into the Pentagon. As hackers get smarter, computers get more powerful and national security is put at risk. The same goes for your own personal and financial information transmitted by phone, on the Internet or through bank machines.

http://www.sciencedaily.com/releases/2010/03/100323121834.htm