Adding more security measures at U.S. airports might not be worth the cost, according to a new report, which notes that it might even make sense to relax some of the existing security tactics.

Several law enforcement agencies around the Bay Area are using a controversial surveillance technology to track people and collect data in real time, according to KQED. “StingRays” act like cell towers, attracting all the surrounding wireless devices on the same network and retrieving their data. Police departments in San Francisco, Oakland, San Jose and Fremont are all using these devices.

A House lawmaker wants to make sure that planes carry flight recorders that eject before crashes so they are easier to find.

The U.S. Border Patrol told its agents Friday that when they confront suspected illegal immigrants crossing the frontier who throw rocks a them, they should try to take cover or move away instead of immediately opening fire.

Most consumers just don’t believe that the personal and financial data they submit to corporations is safe.

A new report from McAfee says every minute there are more than 200 new computer attacks using a variety of malware.

The number of cargo thefts recorded in 2013 tied 2012′s all-time high of 951.

Federal energy regulators plan to impose new security rules on electric utilities to make sure they protect major substations and other facilities critical to the operation of the electric grid.

Visa Inc and MasterCard Inc launched a cross-industry group to improve security for credit card transactions.

Greenpeace activists unfurled huge banners from the 12th floor of the company's Cincinnati headquarters, protesting tropical deforestation and causing more than $10,000 in damage.