Levitation program tracked file-sharing sites, Snowden doc shows

Gigaom

The Canadian spy agency CSE monitors activity across over 100 free file upload sites, a newly-revealed PowerPoint document from NSA whistleblower Edward Snowden’s cache has shown.

The document describing CSE’s Levitation program was published on Wednesday by The Intercept, reporting alongside Canadian broadcaster CBC. Although Canada has long been known to be a member of the core Anglophone “Five Eyes” spying club, this is the first Snowden revelation putting it at the forefront of one of the Eyes’ mass surveillance programs.

Using an internet cable-tap program called Atomic Banjo, CSE’s agents were at the time of the presentation’s authoring collecting HTTP metadata for 102 cyberlocker sites, including Sendspace and Rapidshare, and tracking 10-15 million “events” each day to find “about 350 interesting download events per month.” And yes, this meant filtering out loads of TV shows and such.

According to the presentation, the technique yielded a “German hostage…

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