That the pentagon did not do that from the start smells of security principles that have not been correctly applied.
Access granted should be limited and specific only for the reason required.
Probably NSA detected this leak while looking for their data.
imagine what was copied off and to where eventually
hey you know how the DoD has never passed an audit
I bet "AI" could find the financial problems but they won't ever use it like that
It's the largest organization on the planet, with large rival and highly independent sub-organizations, some of its assets get blown up regularly, and some of those assets are highly classified. Congress is never going to give them the resources to do the largest accounting project in the history of the planet, either.
AI would either tell you it's an intractable problem, or make shit up.