The PRISM slides, as shown to the National Security Agency

June 8, 2013 at 10:52 am (Civil liberties, conspiracy theories, internet, Jim D, law, science, snooping, terror, United States)

I’m honestly not sure how significant this is, or how worried we should be. GCHQ has been using the information gathered on British citizens. It’s all over today’s Guardian , but the PRISM Power Point slides, as shown to the US National Security Agency, were first revealed to the public by The Washington Post (below):


Through a top-secret program authorized by federal judges working under the Foreign Intelligence Surveillance Act (FISA), the U.S. intelligence community can gain access to the servers of nine Internet companies for a wide range of digital data. Documents describing the previously undisclosed program, obtained by The Washington Post, show the breadth of U.S. electronic surveillance capabilities in the wake of a widely publicized controversy over warrantless wiretapping of U.S. domestic telephone communications in 2005. These slides, annotated by The Washington Post, represent a selection from the overall document, and certain portions are redacted. Read related article.

Introducing the program

A slide briefing analysts at the National Security Agency about the program touts its effectiveness and features the logos of the companies involved.

The program is called PRISM, after the prisms used to split light, which is used to carry information on fiber-optic cables.

This note indicates that the program is the number one source of raw intelligence used for NSA analytic reports.

The seal of Special Source Operations, the NSA term for alliances with trusted U.S. companies.

Monitoring a target’s communication

This diagram shows how the bulk of the world’s electronic communications move through companies based in the United States.

Providers and data

The PRISM program collects a wide range of data from the nine companies, although the details vary by provider.

Participating providers

This slide shows when each company joined the program, with Microsoft being the first, on Sept. 11, 2007, and Apple the most recent, in October 2012.


  1. Jim Denham said,

  2. Jim Denham said,

  3. US security leaks and PRISM | venkatramshet75 said,

  4. Allt Lscr said,

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