DisclosureLens
UnknownOtherLow

TransUnion

bd_edde50ba7fe14830 · schema v1 · pii pii-v2

Severity

Low

Discovered

Jun 1, 2023

Filed

Oct 1, 2024

To disclose

—

Affected

Withheld by the regulator

Confidence

95%
Full breach record for TransUnion →13 incidents on file

TRANSUNION filed a data-breach notice with the Illinois Attorney General in October 2024 (case 24-10-008). The register records the breach as discovered on June 1, 2023. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

Leak gap clock✗ Leak >180d
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

Jun 1, 2023

Discovered

Oct 1, 2024

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
A leak claim by ransomed about this victim predates this filing by 405 days.View originating leak claim

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.