US Cybersecurity Chief Accidentally Leaks Official Data into ChatGPT

In summer 2025, the acting head of the US Cybersecurity and Infrastructure Security Agency (CISA) uploaded work documents to a chat with ChatGPT. These were not state secrets, but materials marked 'for official use only'.

What adds piquancy to the situation is the context: CISA is responsible for protecting critical US digital systems from cyberattacks. The story serves as a worrying reminder: even security experts can underestimate the risks of working with AI