HackingFinancial ServicesTechnologyFinanceStolen CredentialsTargetedIdentity (basic)PIILowContained

TransUnion

bd_1ca0244698b0451e · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 1, 2022

Filed

Aug 5, 2022

To disclose

4 days

Affected

3state residents only

Linked

9 filings

Confidence

66%

Full breach record for TransUnion →13 incidents on file

TransUnion LLC notified Montana residents of a security incident where unauthorized actors used personal information from non-TransUnion sources to impersonate consumers and access credit files. TransUnion's systems were not compromised. The company offered one year of complimentary credit monitoring.

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Incident timeline

discovery → filing · 4 days

Aug 1, 2022

Discovered

Aug 5, 2022

Filed

vs. sector median

8 wks faster

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Montana State AGbd_82a944d4ca5bf8b92022-08-05Verified
California State AGbd_5ff096c83f24f8612022-08-04 · +1dCandidate
Montana State AGbd_6778f937b838f9302022-08-04 · +1dVerified
Montana State AGbd_7d4333b71dc4758a2022-08-04 · +1dVerified

Show 4 more filings ↓up to 1d gap

Maine State AGbd_8600c700afac9a542022-08-04 · +1dVerified
Montana State AGbd_8eae63057a496eaa2022-08-04 · +1dVerified
Massachusetts State AGbd_b8d496b8aa9f8b692022-08-04 · +1dVerified
Indiana State AGbd_ea49382b930a48b32022-08-04 · +1dVerified

Name: TransUnion
norm: transunion
Domain: transunion.com

Name: TransUnion
norm: transunion
Domain: transunion.com
Industry: Financial ServicesllmTechnologyllm

Discovered: Aug 1, 2022
Materiality determined: —
Notification sent: Aug 1, 2022
Affected individuals: 3state-resident count only
Data types: Identity (basic)PII
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Initial access: valid_credentials

During the incident: Engaged in a dual-track effort to implement technical measures to block access to our services to potential unauthorized actors
Offering complimentary identity theft protection and credit monitoring services for a period of one year
Changes made: Enhance security controls to minimize the risk of any similar incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 days(4 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 5 states

View merged incident ↗

California State AGAug 4 · first

Montana State AGAug 4 · first

Maine State AGAug 4 · first

Montana State AGAug 4 · first

Massachusetts State AGAug 4 · first

Indiana State AGAug 4 · first

Montana State AG+1d

Montana State AG+1d · 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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-471.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 5, 2022
Raw hash: 255264e16de6025422423506d85175fedd407bfc5989c36b61983c9d03dfae3d

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityTransUnion

Victim entityTransUnion

Incidentdiscovered Aug 1, 2022

Stated responseEngaged in a dual-track effort to implement technical measures to block access to our services to potential unauthorized actors

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov