Hack of federal court filing system exploited security flaws known since 2020

A sweeping hack of the federal judiciary’s case filing system exploited unresolved security holes discovered five years ago — allowing hacking groups to steal reams of sensitive court data in the ongoing breach.

POLITICO first reported last week that officials are concerned that multiple nation-state and criminal hacking groups exfiltrated sealed case data from at least a dozen district courts since at least July. The attack mirrored another significant breach into the court filing system in 2020 under the first Trump administration, though it was not clear until now how the hackers slipped inside the system and whether both incidents were connected.