Army Gen. Keith B. Alexander, then-commander of the U.S. Cyber Command, center right, prepares to testify about cyberspace operations at a Capitol Hill committee hearing in Washington in 2010. Alexander now directs the National Security Agency, which has the power and legal authority to gather electronic communications worldwide to hunt U.S. adversaries. The agency says it has the technical know-how to ensure it’s not illegally spying on Americans.
Army Gen. Keith B. Alexander, then-commander of the U.S. Cyber Command, center right, prepares to testify about cyberspace operations at a Capitol Hill committee hearing in Washington in 2010. Alexander now directs the National Security Agency, which has the power and legal authority to gather electronic communications worldwide to hunt U.S. adversaries. The agency says it has the technical know-how to ensure it’s not illegally spying on Americans.
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