NSA Cyber-Spying Program Called Quick, Effective

The U.S. National Security Agency's data collection program has been an effective tool to enhance the country's security but some elements of the cyber-spying raises privacy concerns, a U.S. federal privacy watchdog said in a report. The program has allowed the government to collect a greater range of foreign intelligence "quickly and effectively," the Privacy and Civil Liberties Oversight Board said in a report.