Commercial Van Eck?

Use common sense for best security An established company moves into a downtown high-rise and a few months later discovers that many of its secrets are going public. How is that possible? Its networks are locked down. Its employees use passwords, and are given security clearances. So what's the problem? How about that old warehouse next door? A competitor has rented it and mounted large antennas behind closed window blinds to listen for electronic emissions from its neighbor's electronic equipment. http://www.zdnet.com/zdnn/stories/comment/0,5859,2833569,00.html