National Security Agency surveillance |
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BLARNEY is a communications surveillance program of the National Security Agency (NSA) of the United States. It started in 1978, operated under the Foreign Intelligence Surveillance Act[1][2] and was expanded after the September 11 attacks.[3]
The collection takes place at top-level telecommunications facilities within the United States, choke points through which most traffic will flow, including wireless. This type of surveillance is referred to as Upstream collection.
BLARNEY was first brought to public view in a PRISM slide revealed by Edward Snowden.[2] The FY 2013 budget for BLARNEY was $65.96 million.[4]