Retired US airport body scanners fail to spot guns, knives

A type of body scanner in wide use across U.S. airports through last year fails to spot well-concealed weapons including guns and knives, computer security researchers contend. The Rapiscan Secure 1000 full body scanner provides only "weak protection against adaptive adversaries," according to their paper, which will be presented on Thursday at the Usenix Security Symposium in San Diego. The researchers also set up a website with their findings. "It is possible to conceal knives, guns and explos...