Contemporaneous reporting was that DOGE people demanded root-level access across multiple systems (disallowed by federal policy, so political appointees had to demand the access) and without background checks or onboarding, after which they extracted protected data and shoved it in some S3 buckets. Just blew a hole right through the entire federal data protection model; you can't plan for "the President orders everyone to ignore all privacy and security controls" as a threat model.
It was absolutely a secure environment prior to DOGE laying waste to all the layers of security in place. Presumably those safeguards are now back in place post-DOGE razing.
> copied to a flashdrive
Both of these cannot be true. A secure environment does not allow trivial data exfiltration over USB.