Hunting for Hackers, N.S.A. Secretly Expands Internet Spying at U.S. Border

WASHINGTON — Without public notice or debate, the Obama administration has expanded the National Security Agency’s warrantless surveillance of Americans’ international Internet traffic to search for evidence of malicious computer hacking, according to classified N.S.A. documents.

Link: Hunting for Hackers, N.S.A. Secretly Expands Internet Spying at U.S. Border