What Happened in the CISA ChatGPT Incident? In August 2025, Madhu Gottumukkala, the acting director of the U.S. Cybersecurity and Infrastructure Security Agency (CISA), uploaded sensitive government documents marked "For Official Use Only" (FOUO) to the public version of ChatGPT. CISA's automated security systems immediately triggered multiple alerts, launching a Department of Homeland Security investigation. CISA ChatGPT Incident Key Facts: Who : Acting CISA Director Madhu G