NSA surveillance of foreign nationals surges


The US National Security Agency’s latest transparency report has revealed the increased surveillance of foreign nationals and their communications records in intelligence operations.

The Office of the Director of National Intelligence (ODNI) published its sixth “Statistical Transparency Report Regarding Use of National Security Authorities” report on Tuesday.

The report (.PDF) outlines the use of warrants, the activities of law enforcement under the Foreign Intelligence Surveillance Act of 1978, and the usage of National Security Letters (NSLs).

Similar to subpoenas, NSLs can be used to force vendors to hand over customer information such as banking and telephone records, as well as Internet usage. (Companies which are recipients of an NSL are banned from revealing so, leading to the use of so-called warrant canaries.)

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Source: ZDNet