DisclosureLens
Social EngineeringCustomer Data InvolvedIdentity (basic)Government IDMediumResolved

TransUnion

bd_1ccce8da6f3278d3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 26, 2022

Filed

Nov 7, 2022

To disclose

12 days

Affected · nationwide

2133 in this filing

Linked

4 filings

Confidence

50%
Full breach record for TransUnion →11 incidents on file

TransUnion LLC reported an "impersonation event" that occurred between January 16, 2022, and July 15, 2022. The breach, discovered on October 26, 2022, affected 3 Maine residents. The compromised information included names and Social Security numbers. The company offered one year of credit monitoring to those affected.

Maine clockDiscovered Oct 26, 2022 → Filed with AG Nov 7, 202212d ✓ ME AG ≤30d12 days discovery → filing
⚠ 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

undetected · 283 days
discovery → filing · 12 days

Jan 16, 2022

Begins

Oct 26, 2022

Discovered

Nov 7, 2022

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Montana State AGNov 4 · first
Indiana State AG+3d
Massachusetts State AG+3d
Maine State AG+3d · 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.