Mark Klein

This article is about the AT&T technician. For the singer, see Mark Klein (singer).

Mark Klein
Mark Klein
Fields	Technician
Known for	Room 641A

Mark Klein is a former AT&T technician who leaked knowledge of his company's cooperation with the United States National Security Agency in installing network hardware to monitor and process American telecommunications. The subsequent media coverage became a major story in May 2006.

In recognition of his actions, the Electronic Frontier Foundation picked Klein as one of the winners of its 2008 Pioneer Awards.^[1]

For over 22 years Mark Klein worked for AT&T. Starting with the company as a Communications Technician in New York, where he remained from November 1981 until March 1991, he later continued in that capacity in California until 1998. From January 1998 to October 2003, Klein worked as a Computer Network Associate in San Francisco. From October 2003 to May 2004 he returned to the role of Communications Technician, after which he retired in May 2004. ^[2]

See also

• Hepting vs. AT&T - The lawsuit filed by the Electronic Frontier Foundation against AT&T for the program.
• Room 641A

References

1. ^ Jesdanun, Anick (Feb 27, 2008). "AT&T Whistle-Blower Among Award Winners". http://abcnews.go.com/Technology/wireStory?id=4354496. Retrieved Jan 06,2009. ^{[dead link]}
2. ^ "Declaration of Mark Klein, unredacted (June 8, 2006)". https://www.eff.org/files/filenode/att/SER_klein_decl.pdf. Retrieved 24 October 2011. 

External links

• Klein Declaration (redacted) of Hepting v. AT&T - Electronic Frontier Foundation
• ABC Nightline Interview with Klein
• Klein's memo about the NSA program
• Wired coverage
• PBS NOW | Whistleblower Mark Klein
• PBS NOW | For Your Eyes Only?
• [1]
• A Story of Surveillance, Washington Post, November 7, 2007
• First interview on Countdown with Keith Olbermann: msnbc eff with embed
• Wi ring Up the Big Brother Machine...And Fighting I t by Ma rk Klein
• Wired 2008 interview with Klein

Persondata
Name	Klein, Mark
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