HackingFinancial ServicesTechnologyFinanceStolen CredentialsTargetedIdentity (basic)PIILowContained

TransUnion

bd_fe3ea878b2ed3d21 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 26, 2022

Filed

Nov 4, 2022

To disclose

9 days

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for TransUnion →13 incidents on file

TransUnion LLC notified Montana residents that unauthorized actors may have used personal information from non-TransUnion sources to impersonate consumers and access TransUnion products. TransUnion's systems were not compromised. The company offered one year of complimentary credit monitoring.

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Incident timeline

discovery → filing · 9 days

Oct 26, 2022

Discovered

Nov 4, 2022

Filed

vs. sector median

7 wks faster

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

Indiana State AGbd_020806d92d49bec32022-11-07 · +3dVerified
Maine State AGbd_1ccce8da6f3278d32022-11-07 · +3dCandidate
Massachusetts State AGbd_5dc2ca02d244c0612022-11-07 · +3dVerified

Name: TransUnion
norm: transunion
Domain: transunion.com

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

Discovered: Oct 26, 2022
Materiality determined: —
Notification sent: Nov 7, 2022
Affected individuals: 2state-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: Enhancing security controls as appropriate to minimize the risk of any similar incident in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 days(9 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGNov 4 · first · this page

Indiana State AG+3d

Maine State AG+3d

Massachusetts State AG+3d

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-690.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 4, 2022
Raw hash: 5c41bfd620b9f620b84280534b3d35a310eed19f4e0ff16023c377660da68f3f

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityTransUnion

Victim entityTransUnion

Incidentdiscovered Oct 26, 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