NSA slides explain the PRISM data-collection program

The Washington Post

June 6, 2013

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.

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.

Copyright 2013