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US cyber defense chief accidentally uploaded secret government info to ChatGPT

  • Madhu Gottumukkala, acting director of the Cybersecurity and Infrastructure Security Agency , uploaded government contracting documents to the public ChatGPT service on January 28, 2026.
  • Soon after arriving, Gottumukkala requested special permission from CISA Office of the Chief Information Officer to use ChatGPT, while the app remained blocked for other Department of Homeland Security employees.
  • Cybersecurity sensors at CISA flagged the uploads to public large language models such as ChatGPT, triggering multiple automated security warnings to prevent theft or inadvertent disclosure.
  • Senior DHS officials launched an internal review to assess if the exposures harmed government security, while Gottumukkala reportedly failed a counterintelligence polygraph and DHS suspended six career staff.
  • Gottumukkala's profile as acting director heightens scrutiny after President Donald Trump appointed him and he previously served as South Dakota's chief information officer under Kristi Noem.
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Raw Story broke the news in United States on Wednesday, January 28, 2026.
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