Senior officials at DHS subsequently led an internal review to assess if there had been any harm to govt security from the exposures, according to two of the four officials. It is not clear what the review concluded.None of the files Gottumukkala plugged into ChatGPT were classified, according to the officials. According to DHS policy, security officials are also supposed to investigate the “cause and affect” of any exposure of official use documents, and determine the “appropriateness” of any administrative or disciplinary action. DHS’s then-acting general counsel, Joseph Mazzara, was involved in the effort to assess any potential harm to the department, according to the first official. ”Last week, Gottumukkala tried to oust Costello, CISA’s CIO, before other political appointees at the agency intervened to block the move.