The National Security Agency's surveillance network has the capacity to spy on 75 percent of all U.S. Internet traffic, The Wall Street Journal reports.
Citing current and former NSA officials for the 75 percent figure, the paper reported that the agency can observe more of Americans' online communications than officials have publicly acknowledged.
The NSA's system of programs that filter communications, achieved with the help of telecommunications companies, is designed to look for communications that either start or end abroad, or happen to pass through the U.S. between foreign countries. However, the officials told the Journal that the system's reach is so broad, that it is more likely that purely domestic communications will be intercepted as a byproduct of the hunt for foreign ones.
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