Federal Court PACER and CM/ECF Hack: What the Blackbox Breach Means for Justice
A timeline of the attack, how it escalated, and why it could affect political, criminal, and national security cases.
In late June 2025, hackers slipped into the heart of the U.S. federal court system. The breach went unnoticed until around the July 4th holiday, a moment when federal staffing is thin and the nation’s attention is elsewhere.
Dubbed Blackbox, the attack compromised the judiciary’s central filing systems, which hold everything from active criminal indictme…




