DisclosureLens
HackingFinancial ServicesTechnologyFinanceSupply Chain (3P Vendor)Customer Data InvolvedPIIIdentity (basic)MediumContained

TransUnion

bd_d7d141dc595dd1b0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Sep 4, 2025

To disclose

Affected

78,834state residents only

Linked

5 filings

Confidence

65%
Full breach record for TransUnion13 incidents on file

TransUnion LLC notified South Carolina consumers of a cyber incident involving unauthorized access to personal data stored on a third-party application used for U.S. consumer support operations. No credit reports or core credit information were accessed. TransUnion is offering 24 months of credit monitoring and fraud assistance.

Leak gap clock Leak >30d
no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Sep 4, 2025

Filed

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 5 about the same incident.View merged incident
A leak claim by shinyhunters about this victim predates this filing by 68 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Texas State AGSep 4 · first
South Carolina State AGSep 4 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.