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Context of 'Late 2003: AT&T Technician Learns of Secret NSA-Connected ‘Study Groups’, More Details about NSA Spying on Citizens’ Telecommunications'

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Veteran AT&T technician Mark Klein (see July 7, 2009) is startled when he receives an email informing him and his colleagues that a representative from the National Security Agency (NSA) will soon arrive to conduct “some kind of business.” Klein works at the Geary Street facility in San Francisco, helping provide Internet, VoIP (voice over Internet Protocol), and data transport between the US and the Far East. Klein and his supervisor, Don Henry, soon learn that one of their colleagues, one of AT&T’s senior “field support specialists” whom Klein will only identify as “Ski,” is to be interviewed by the NSA for a security clearance. Ski is slated to begin working in an NSA-operated “secure facility” at AT&T’s Folsom Street facility in San Francisco. [PBS Frontline, 5/15/2007; Klein, 2009, pp. 22-25] Klein later says of the NSA visit: “That struck me as a little odd to begin with, because I remember from back in the ‘70s, the NSA is not supposed to be doing domestic spying, so what were they doing in an AT&T company office? It struck me as odd, but I didn’t know anything more about it, so I just let it lie and waited for the guy to come.” Klein will later describe the NSA representative as “closemouthed and unsmiling, and he did his business.” Klein decides that the NSA visit was a one-time affair, and he thinks no more of it for the time being. [PBS Frontline, 5/15/2007]

Entity Tags: Mark Klein, AT&T, “Ski” (AT&T field support specialist), Don Henry, National Security Agency

Timeline Tags: Civil Liberties

According to the later recollections of senior AT&T technician Mark Klein (see July 7, 2009), rumors are swirling throughout AT&T regarding a “secret room” being built at the company’s facility at 611 Folsom Street in San Francisco (see Summer 2002). (At this time, Klein works at another AT&T facility located on San Francisco’s Geary Street; he will later begin working at the Folsom Street facility.) In January 2003, Klein will learn that the rumors are true, and that the room is to be used by the National Security Agency (NSA) (see January 2003). [Klein, 2009, pp. 26-28]

Entity Tags: Mark Klein, National Security Agency, AT&T

Timeline Tags: Civil Liberties

Senior AT&T technician Mark Klein (see July 7, 2009), working at the company’s Folsom Street facility in San Francisco one floor above the National Security Agency’s “secret room” monitoring the company’s Internet communications (see October 2003 and Fall 2003), is given a technical document to pass on to the secret room’s AT&T supervisor, a man Klein will identify only as “Ski” (see Summer 2002 and January 2003). Klein flips through the non-classified document, titled “Study Group 3 LGX/Splitter Wiring San Francisco Issue 1 12/10/02.” (LGX, Klein will later explain, refers to “Lucent LightGuide patch panels.”) He finds the document astonishing. It confirms, he will later write, “that the splitter cabinet in the 7th floor Internet room [his workstation] was directly connected to panels in the 6th floor secret room, which was referred to as the ‘SG3 Secure Room.’” Documents he has previously read (see Fall 2003) “made repeated references to the ‘Splitter,’ ‘Splitter Cabinet,’ or other descriptions which made it clear that the three documents were linked together.” Klein deduces that “SG3” stands for “Study Group 3,” an appellation he will write was chosen in “an apparent attempt to make a sinister operation look innocent.” And, since San Francisco is the site of the third study group, he deduces there must be at least two other study groups, presumably in different cities, “a fact,” he will write, “which was soon confirmed to me. I had a hand on only one small part of a giant octopus.” Klein pores more closely over the documents to try to learn exactly what AT&T and the NSA are doing, and soon finds a reference to a “Narus STA 6400.” He has no idea what this piece of equipment is, but he quickly learns that it is, as he will write, “a very sophisticated and specialized product that not only was perfectly suited for sorting through the data stream in real time looking for things, but… was already being marketed specifically to telecommunications and other companies for intelligence and police spying.” [AT&T, 12/10/2002; AT&T, 1/13/2003; AT&T, 1/24/2003; Klein, 2009, pp. 35-37] Later, Klein will describe the Narus STA 6400 as “not only designed for high-speed sifting through high-speed volumes of data, looking for something according to various program algorithms, something you’d think would be perfect for a spy agency.” [PBS Frontline, 5/15/2007]

Entity Tags: National Security Agency, “Ski” (AT&T field support specialist), AT&T, Mark Klein

Timeline Tags: Civil Liberties

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