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 TransUnion13 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, 2022Filed 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 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
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.