The National Security Agency began mining Americans' email and phone data in 2010 to map out their social connections and locations, according to The New York Times.

Lawmakers overseeing U.S. spy agencies proposed stricter limits on the government’s electronic surveillance Thursday while also calling for bolstering its authority to track terrorism suspects coming to America. Dianne Feinstein, chair of the Senate Intelligence Committee, defended the National Security Agency’s collection of phone ...

The U.S. National Security Agency eavesdropped on civil rights icon Martin Luther King Jr. and heavyweight boxer Muhammad Ali as well as other leading critics of the Vietnam War in a secret program later deemed “disreputable,” declassified documents revealed Wednesday. The six-year spying program, ...

United Nations THE WASHINGTON POST Brazilian President Dilma Rousseff on Tuesday delivered a stinging rebuke of electronic espionage by the U.S. National Security Agency, telling the U.N. General Assembly that American eavesdropping constitutes “a breach of international law and an affront” to Brazil’s sovereignty. ...

Britain’s intelligence services were behind a cyberattack on state-owned Belgian telecom giant Belgacom, a German newsweekly reported Friday. Der Spiegel magazine said documents it had seen from fugitive U.S. leaker Edward Snowden’s “archive” indicated that the goal of the project, code-named Operation Socialist, was ...

The U.S. National Security Agency shares raw surveillance data with Israel without first removing information about American citizens, according to a document leaked to The Guardian newspaper by former agency contractor Edward Snowden. The arrangement is described in a memorandum between the two countries ...

The U.S. National Security Agency for almost three years searched a massive database of Americans’ phone call records in an attempt to identify potential terrorists, in violation of court-approved privacy rules, and the problem went unfixed because no one at the agency had a ...

Google is racing to encrypt the torrents of information that flow among its data centers around the world in a bid to thwart snooping by the U.S. National Security Agency and the intelligence agencies of foreign governments, company officials said Friday. The move is ...