The NYPD installed 200 temporary security cameras around midtown Manhattan in order to guard against terrorism during the city's Super Bowl activities.

The State Department is telling American athletes competing in the upcoming Sochi Winter Olympics to avoid wearing team gear outside the games’ venues.

Lawmakers in Brazil's House of Representatives and Senate are expected to vote on a law that criminalizes terrorism in Brazil. 

A Pew Research poll says that most of the American public is tuning out the policy debate over government surveillance.

Barack Obama announced he would end the National Security Agency’s ability to store phone data collected from millions of Americans.

The game plan for security at this year's Super Bowl will include deployment of nearly 4,000 local police and private security officers.

The Transportation Security Administration will soon inspect aircraft repair stations to lower the risk of theft and other terrorism-related activity.

The FBI is dispatching several dozen agents to Russia to help tighten security at the Winter Olympics.

The number of countries possessing the makings of a nuclear bomb has dropped by almost one-quarter over the past two years, but there remain “dangerous weak links” in nuclear materials security, says a report.

Although terrorism touched 85 countries in 2012, just three - Pakistan, Iraq and Afghanistan - suffered more than half of 2012's attacks (54 percent) and fatalities (58 percent).