HackingTechnologyInformationStolen CredentialsCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

TransUnion

bd_8600c700afac9a54 · schema v1 · pii pii-v1

Severity

High

Discovered

Jul 25, 2022

Filed

Aug 4, 2022

To disclose

10 days

Affected · nationwide

10,81424 in this filing

Linked

9 filings

Confidence

66%

Full breach record for TransUnion →13 incidents on file

TransUnion LLC reported a data breach occurring between January 1, 2021, and March 28, 2022, discovered on July 25, 2022. The incident involved an impersonation attempt resulting in unauthorized access to consumer reporting agency records. Data acquired included names combined with driver's license numbers. The breach affected 10,814 individuals, including 24 Maine residents. TransUnion provided written notification on August 4, 2022, and offered one year of credit monitoring services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 25, 2022 → Filed with AG Aug 4, 202210d ✓ ME AG ≤30d10 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 · 570 days

discovery → filing · 10 days

Jan 1, 2021

Begins

Jul 25, 2022

Discovered

Aug 4, 2022

Filed

vs. sector median

17 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

California State AGbd_5ff096c83f24f8612022-08-04Candidate
Montana State AGbd_6778f937b838f9302022-08-04Verified
Montana State AGbd_7d4333b71dc4758a2022-08-04Verified
Montana State AGbd_8eae63057a496eaa2022-08-04Verified

Show 4 more filings ↓up to 1d gap

Massachusetts State AGbd_b8d496b8aa9f8b692022-08-04Verified
Indiana State AGbd_ea49382b930a48b32022-08-04Verified
Montana State AGbd_1ca0244698b0451e2022-08-05 · +1dVerified by operator
Montana State AGbd_82a944d4ca5bf8b92022-08-05 · +1dVerified

Name: TransUnion
norm: transunion
Domain: transunion.com

Name: TransUnion
norm: transunion
Domain: transunion.com
Industry: Technologyllm

Discovered: Jul 25, 2022
Breach occurred: Jan 1, 2021 – Mar 28, 2022
Undetected for: 570 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 4, 2022
Affected individuals: 10,814state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Driver's licence number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: valid_credentials

During the incident: Sent written notification to affected consumers
Offered one year of TransUnion credit monitoring
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 days(10 days from discovery to filing)
Compliance flags: ME AG ≤30d · 10d
Discovery-date grounding: 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jul 25, 2022
→ Filed with AG: Aug 4, 2022
10d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 25, 2022 → Filed with AG: Aug 4, 2022	10d	30 days	ME AG ≤30d

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

Massachusetts State AGAug 4 · first

Indiana State AGAug 4 · first

Maine State AGAug 4 · first · this page

Montana State AG+1d

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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/b50e3c9a-20a7-4e9a-af95-9df4a325d659.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 4, 2022
Raw hash: 1ab8461071259dac9b6fac3c98156c4f82c8419691ee23915c98a0e4ac8fc08d

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityTransUnion

Victim entityTransUnion

Incidentdiscovered Jul 25, 2022

Stated responseSent written notification to affected consumers

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov