Madhu Gottumukkala is the acting director of the Cybersecurity and Infrastructure Security Agency (CISA). Although none of the internal documents were classified, agency officials said the material included contracting and cybersecurity-related materials marked "for official use only." According to the US agency, Gottumukkala helps guide the CISA to protect the government's cyber and physical systems. Gottumukkala met DHS officials to review the matterAfter the disclosure of sensitive files was flagged, Madhu Gottumukkala met DHS officials to review what had been uploaded to ChatGPT. "Acting Director Dr Madhu Gottumukkala last used ChatGPT in mid-July 2025 under an authorised temporary exception granted to some employees.