UnknownFinancial ServicesFinanceGovernment IDHealth (basic)Financial accountMedium

EISNER ADVISORY GROUP LLC

bd_c5bece9672884b59 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 8, 2025

To disclose

—

Affected

527state residents only

Linked

12 filings

Confidence

95%

Full breach record for EISNER ADVISORY GROUP LLC →

Eisner Advisory Group LLC reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-04-08. 527 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Apr 8, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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_0e87a3f3a7019a002025-04-08Verified
New Hampshire State AGbd_27e512fd0cdac5572025-04-08Verified
Washington State AGbd_61c9ad8db06a18a32025-04-08Candidate
Iowa State AGbd_9c143312e5d526b82025-04-08Verified

Show 6 more filings ↓

Oregon State AGbd_bd4df5a263203c7d2025-04-08Verified
Nebraska State AGbd_bf58b4074b8bdb072025-04-08Verified
Montana State AGbd_e35702ee8e886a3f2025-04-08Verified
Indiana State AGbd_ea112341cfa5a4d92025-04-08Verified
California State AGbd_ed6f19b468a372e92025-04-08Verified
Maine State AGbd_f8dee5063c7117622025-04-08Verified

Showing first 10 of 11 linked disclosures.

Name: EISNER ADVISORY GROUP LLC
norm: eisner advisory

Name: EISNER ADVISORY GROUP LLC
norm: eisner advisory
Industry: Financial Servicesregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 527state-resident count only
Data types: Government IDHealth (basic)Financial account
Data elements: Social Security numberMedical informationFinancial account numberDriver's licence number
Stated not affected: Payment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

Vermont State AGApr 8 · first

New Hampshire State AGApr 8 · first

Washington State AGApr 8 · first

Iowa State AGApr 8 · first

Oregon State AGApr 8 · first

Nebraska State AGApr 8 · first

Montana State AGApr 8 · first

Indiana State AGApr 8 · first

California State AGApr 8 · first

Maine State AGApr 8 · first

Massachusetts State AGApr 8 · first · this page

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://www.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 8, 2025
Raw hash: 3cb53d0cbcc2f29c7a9e3f5e738ae392739d314896e61b042947331b6509636e

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityEISNER ADVISORY GROUP LLC

Victim entityEISNER ADVISORY GROUP LLC

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov