UnknownOtherFinancial accountGovernment IDMedium

THOMPSON COBURN LLP

bd_bca3feb9282b2ecd · schema v1 · pii pii-v2

Severity

Medium

Discovered

May 29, 2024

Filed

May 1, 2025

To disclose

—

Affected

Withheld by the regulator

Linked

13 filings

Confidence

95%

Full breach record for THOMPSON COBURN LLP →2 incidents on file

THOMPSON COBURN LLP filed a data-breach notice with the Illinois Attorney General in May 2025 (case 25-05-172). The register records the breach as discovered on May 29, 2024. Personal information types reported: drivers license, financial account number, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

J jump to incidentP pin to compareR raw source

Incident timeline

May 29, 2024

Discovered

May 1, 2025

Filed

This filing is one of 13 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

South Carolina State AGbd_b40d210e2b06d2562025-05-01Verified by operator
Montana State AGbd_32b01e9f0204bad62025-04-30 · +1dVerified
Indiana State AGbd_4e74aaeebe6a09542025-04-30 · +1dVerified
Maine State AGbd_701bdfa64bf675ab2025-04-30 · +1dVerified

Show 6 more filings ↓up to 121d gap

Vermont State AGbd_7de9090db5f14f602025-04-30 · +1dVerified
California State AGbd_bc01038a5aee99bd2025-04-30 · +1dVerified
Nebraska State AGbd_c638e59ef9811f162025-04-30 · +1dVerified
New Hampshire State AGbd_f2a4f37f8236c7522025-04-30 · +1dVerified
New Hampshire State AGbd_0f38d2bde5ce25bd2024-12-31 · +121dVerified
Massachusetts State AGbd_5b550fa881215a692024-12-31 · +121dVerified

Showing first 10 of 12 linked disclosures.

Name: THOMPSON COBURN LLP
norm: thompson coburn
Domain: thompsoncoburn.com

Name: THOMPSON COBURN LLP
norm: thompson coburn
Domain: thompsoncoburn.com
Industry: Otherllm

Discovered: May 29, 2024
Materiality determined: —
Notification sent: —
Affected individuals: Withheld by the regulator
Data types: Financial accountGovernment ID
Data elements: Driver's licence numberFinancial account numberSocial Security number
Attack vector: Unknown

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 10 states

View merged incident ↗

New Hampshire State AGDec 31 · first

Massachusetts State AGDec 31 · first

Montana State AG+120d

Indiana State AG+120d

Maine State AG+120d

Vermont State AG+120d

California State AG+120d

Nebraska State AG+120d

New Hampshire State AG+120d

South Carolina State AG+121d

Illinois State AG+121d · this page

Pattern: first filing Dec 31 (NH), last May 1 (IL) — a 121-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

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://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 1, 2025
Raw hash: 6de52fb58511dcb43ebd7d6d38c82b9a8742368a8a953ab50150e2ebd9cb17a8

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityTHOMPSON COBURN LLP

Victim entityTHOMPSON COBURN LLP

Incidentdiscovered May 29, 2024

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedatabreachnoticetoattorneygeneral.illinoisattorneygeneral.gov