What’s up with all those specially dedicated lanes that funnel people into various categories up to the checkpoints?

The Princeton Review, the test-preparatory firm, accidentally published the personal data and standardized test scores of tens of thousands of Florida students on its Web site, where they were available for seven weeks.

Tired of creating and changing website passwords? Many experts propose dropping passwords entirely for a security system based on cryptography.

A software patch intended to fix a serious flaw in the Internet’s workings appears to have some gaping holes.

A software patch intended to fix a serious flaw in the Internet’s workings now appears to have some gaping holes.

A software patch intended to fix a serious flaw in the Internet’s workings now appears to have some gaping holes.

The gang has infected thousands of PCs in corporate and government networks with programs that steal passwords and other information, a security researcher has found.

The first X-ray-friendly laptop bags have hit the market.

New laptop bag approved by the Transportation Security Administration makes it possible to go through X-ray inspection without having to take the laptop out.

A new system, using a ski slope metaphor, has three “self-select” security lines for travelers with various degrees of familiarity with airline checkpoint procedures.