DisclosureLens
HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedIdentity (basic)PIILowResolved

EISNER ADVISORY GROUP LLC

bd_0e87a3f3a7019a00 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 1, 2023

Filed

Apr 8, 2025

To disclose

20 months

Affected

Not disclosed

Linked

12 filings

Confidence

65%
Full breach record for EISNER ADVISORY GROUP LLC →

Eisner Advisory Group LLC notified consumers of a data breach occurring September 4-9, 2023. Unauthorized access was limited to specific files containing names and other personal information. The investigation is concluded. Eisner notified regulators and law enforcement, and is offering 12-24 months of credit monitoring. No evidence of misuse was found.

Vermont clock✗ VT AG >45 bday20 months discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

Sep 4, 2023

Begins

Apr 8, 2025

Filed

vs. sector median

+65 wks slower

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

Show 6 more filings ↓

Showing first 10 of 11 linked disclosures.

Filing propagation · 11 filings · 11 states

View merged incident ↗
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
Massachusetts State AGApr 8 · first
Montana State AGApr 8 · first
Indiana State AGApr 8 · first
California State AGApr 8 · first
Maine State AGApr 8 · first
Vermont 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.