UnknownOtherFinancial accountHealth (basic)Government IDMedium

EISNER ADVISORY GROUP LLC

bd_6e2af1729633663d · schema v1 · pii pii-v2

Severity

Medium

Discovered

Sep 9, 2023

Filed

Apr 1, 2025

To disclose

—

Affected

Withheld by the regulator

Linked

12 filings

Confidence

95%

Full breach record for EISNER ADVISORY GROUP LLC →

EISNER ADVISORY GROUP LLC filed a data-breach notice with the Illinois Attorney General in April 2025 (case 25-04-073). The register records the breach as discovered on September 9, 2023. Personal information types reported: drivers license, financial account number, medical information, 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

Sep 9, 2023

Discovered

Apr 1, 2025

Filed

This filing is one of 12 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Vermont State AGbd_0e87a3f3a7019a002025-04-08 · +7dVerified
New Hampshire State AGbd_27e512fd0cdac5572025-04-08 · +7dVerified
Washington State AGbd_61c9ad8db06a18a32025-04-08 · +7dCandidate
Iowa State AGbd_9c143312e5d526b82025-04-08 · +7dVerified

Show 6 more filings ↓up to 7d gap

Oregon State AGbd_bd4df5a263203c7d2025-04-08 · +7dVerified
Nebraska State AGbd_bf58b4074b8bdb072025-04-08 · +7dVerified
Massachusetts State AGbd_c5bece9672884b592025-04-08 · +7dVerified
Montana State AGbd_e35702ee8e886a3f2025-04-08 · +7dVerified
Indiana State AGbd_ea112341cfa5a4d92025-04-08 · +7dVerified
California State AGbd_ed6f19b468a372e92025-04-08 · +7dVerified

Showing first 10 of 11 linked disclosures.

Name: EISNER ADVISORY GROUP LLC
norm: eisner advisory

Name: EISNER ADVISORY GROUP LLC
norm: eisner advisory
Industry: Otherllm

Discovered: Sep 9, 2023
Materiality determined: —
Notification sent: —
Affected individuals: Withheld by the regulator
Data types: Financial accountHealth (basic)Government ID
Data elements: Driver's licence numberFinancial account numberMedical informationSocial 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 · 11 states

View merged incident ↗

Illinois State AGApr 1 · first · this page

Vermont State AG+7d

New Hampshire State AG+7d

Washington State AG+7d

Iowa State AG+7d

Oregon State AG+7d

Nebraska State AG+7d

Massachusetts State AG+7d

Montana State AG+7d

Indiana State AG+7d

California State AG+7d

Pattern: first filing Apr 1 (IL), last Apr 8 (CA) — a 7-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 11 — 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: Apr 1, 2025
Raw hash: 90a1b54ff2167382ffc0417fa5f91002d8537eaa62f48b657c0429affb32bee6

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityEISNER ADVISORY GROUP LLC

Victim entityEISNER ADVISORY GROUP LLC

Incidentdiscovered Sep 9, 2023

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedatabreachnoticetoattorneygeneral.illinoisattorneygeneral.gov