Remembering Mark Klein: Whistleblower Who Exposed NSA's Room 641A
2025-03-12

Mark Klein, a former AT&T technician, passed away recently. He's remembered for his courageous act of exposing the NSA's secret mass surveillance program, codenamed Room 641A. Risking significant legal repercussions, Klein provided evidence to the Electronic Frontier Foundation (EFF), leading to lawsuits and reforms. While the fight against mass surveillance continues, Klein's bravery inspired countless individuals and will continue to motivate EFF's ongoing efforts to protect privacy.
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mass surveillance