Mark M. Jaycox writes:
A Washington Post article reveals that the National Security Agency has been siphoning off data from the links between Yahoo and Google data centers, which include the fiber optic connections between company servers at various points around the world. While the user may have an encrypted connection to the website, the internal data flows were not encrypted and allowed the NSA to obtain millions of records each month, including both metadata and content like audio, video and text. This is not part of the PRISM collection under Section 702 of the Foreign Intelligence Surveillance Act (FISA) Amendments Act or the business records program under Section 215 of the Patriot Act, but a separate program called MUSCULAR under what appears to be Executive Order 12333 (“12333”).
Read more on EFF where Mark focuses on Executive Order 12333.