The acting head of the Cybersecurity and Infrastructure Security Agency (CISA) uploaded internal government documents marked “for official use only” to the public ChatGPT platform, triggering automated security warnings. The director, Madhu Gottumukkala, had previously received an exception to use the tool, despite a department-wide ban. Homeland Security officials are assessing potential security impacts, while a CISA spokesperson described the usage as short‑term and limited. The incident raises concerns about the handling of unclassified but sensitive data on public AI services.
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