Scanners were introduced at airports to combat hijacking in the 1970s - Getty Images The conveyor-belt security scanners at airports are always a source of irritation. You were gliding through, ...

The U.S. Transportation Security Administration, part of the Department of Homeland Security, has spent more than a billion dollars on full-body scanners designed to strengthen airport security. It ...

A team of computer scientists, including one from Johns Hopkins, has discovered several security vulnerabilities in the full-body X-ray scanners used at U.S. airports between 2009 and 2013. The team ...

Software that analyzes a network to determine its exposure to unwanted intruders. Also called a "vulnerability scanner," such products check client PCs, servers, routers, firewalls, network appliances ...