Robert Cekada(@ATFDirectorRC):Update: Cybersecurity Incident. We have not confirmed the authenticity, nature, or scope of the material claimed to have been released today, so I cannot provide additional details at this time. Our team is moving quickly with DOJ and other federal partners to assess these claims and take appropriate actions. Again, the affected system was separate from ATF’s enterprise network. I wanted you to hear this directly from me.

2026.08.31 18:17

Update: Cybersecurity Incident. We have not confirmed the authenticity, nature, or scope of the material claimed to have been released today, so I cannot provide additional details at this time. Our team is moving quickly with DOJ and other federal partners to assess these claims and take appropriate actions. Again, the affected system was separate from ATF’s enterprise network. I wanted you to hear this directly from me.

ATF HQ@ATFHQ

2026.08.31 16:00

ATF is aware of claims concerning the possible publication of data allegedly obtained during the previously disclosed cybersecurity incident involving a standalone system used in connection with CALEA. We are working with @TheJusticeDept and other federal partners to assess these claims and take appropriate actions. As stated previously, the affected system was separate from ATF’s enterprise network. ATF has not confirmed the authenticity, nature, or scope of the materials at issue. More at