Officials say the US judiciary's electronic filing system was likely breached in the SolarWinds hack, putting highly sensitive nonpublic documents at risk
The story also opens a longer arc the later coverage makes explicit: by 2022 the DOJ was probing a separate breach of the courts system distinct from SolarWinds, and in 2025 the filing system was hit again — with a senior official calling it a continuation of the same rudimentary security issues present since 2020. Subsequent FOIA litigation showed the SolarWinds actors potentially held access to all treasury.gov email addresses for roughly three months, underscoring how long the intrusion window was.
First-order effects
Judges, clerks, and litigants who relied on sealed filings — trade secrets, confidential informants, espionage-related dockets — face immediate exposure assessments of exactly which nonpublic documents the attackers could reach.
The judiciary's Case Management/Electronic Case Files infrastructure shifts overnight from back-office IT to a confirmed espionage target requiring incident response across every federal court.
Second-order effects
A confirmed compromise of court systems forces the DOJ and judiciary to treat the e-filing platform as persistently targeted rather than incidentally affected — a posture the DOJ's investigation of a second, unrelated breach and the 2025 re-breach of the same filing system bear out.
Litigants with high-value secrets gain a reason to keep sensitive material out of electronic filing entirely, straining the system's core promise of centralized, digital case management.
Third-order effects
If the pattern holds — the same 'rudimentary security issues' cited by a senior official running from SolarWinds through the 2025 breach — the federal judiciary faces structural pressure to fund and centralize court cybersecurity rather than leaving it to individual courts, with FOIA fights like the treasury.gov access disclosures defining how much the public ever learns.
Persistent espionage access to sealed dockets threatens the confidentiality premise of the courts themselves: informants and trade-secret plaintiffs may route around a filing channel they cannot trust, degrading the record on which the judiciary operates.
The trend: The federal judiciary's electronic filing systems have become a recurring espionage target, with security gaps persisting from SolarWinds through successive breaches rather than being closed.
From a counterintelligence POV this is a really interesting attack. Access to sealed court documents would potentially reveal a lot of useful intelligence information. https://twitter.com/...
It looks like two branches of the US government were infiltrated yesterday. Hackers apparently broke into sealed Federal court records. An enormous wealth of confidential personal and corporate information... https://twitter.com/...
Warner also said the number of big name SolarWinds victims that have not come forward yet would “surprise the hell” out of people. Warner's Senate Intel Committee received a classified briefing Wednesday on SolarWinds from intel agencies, so this probably isn't idle commentary. h…
Because this was absolutely lost in yesterday's news cycle re Russia & our ECF “...that greatly risk compromising highly sensitive non-public documents stored on CM/ECF,...particularly sealed filing...” cc @SeamusHughes @burgessct @lauferlaw @lachlan https://www.uscourts.gov/... …
NOTICE: Possible security vulnerabilities that risk compromising highly sensitive non-public documents stored on national case filing system are under investigation. New security measures will be posted ASAP. See MOED website: https://www.moed.uscourts.gov/ ... and https://uscour…
Federal courts are immediately adding new security procedures to protect highly sensitive confidential documents filed with the courts after the recent disclosure of widespread cybersecurity breaches. https://www.uscourts.gov/...
Fed court system reveals “apparent compromise” of electronic filing system that put at risk “highly sensitive non-public documents.” Sensitive docs must be filed on paper or by USB drive and will be stored on special system. https://www.uscourts.gov/... https://twitter.com/...
U.S. federal courts investigating an “apparent compromise of the confidentiality of the CM/ECF system.” The District of Minnesota sent out a notice tonight: “Do not file anything in CM/ECF under seal until you receive further instruction from this Court.” https://www.uscourts.gov…
Just days ago, I was discussing with someone whether these court filings had been compromised by SolarWinds (bc certain people appear to have non-public information about some court proceedings). https://twitter.com/...
New: The electronic filing system used by federal courts has likely been breached in the SolarWinds hack, extending to another branch of government the impact of a suspected Russian cyber-espionage campaign. https://www.wsj.com/...
I talked with the @dnvolz about the hack of the Judiciary branch “Documents like these are a road map of investigations...In the right hands, they could tip off a target of investigation, be it an individual or a country's intelligence apparatus.” https://www.wsj.com/...