HackingProfessional ServicesProfessional ServicesDelayed DiscoveryIdentity (basic)Government IDFinancial accountPHIHealth (basic)MediumContained

Siegel Group

bd_35e7cd347a0e7f64 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 2, 2025

Filed

Mar 31, 2025

To disclose

8 weeks

Affected

Not disclosed

Linked

8 filings

Confidence

63%

Full breach record for Siegel Group →

The Siegel Group, Inc. disclosed a cybersecurity incident where an unauthorized actor viewed and/or copied files containing employee PII, including SSNs, DOBs, passport numbers, and medical information, between Jan 28 and Feb 2, 2025. The company reported the incident to law enforcement, engaged cybersecurity specialists, and offered credit monitoring services to affected employees.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday8 weeks 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

undetected · 5 days

discovery → filing · 8 weeks / 57 days

Jan 28, 2025

Begins

Feb 2, 2025

Discovered

Mar 31, 2025

Filed

vs. sector median

9 wks faster

This filing is one of 8 about the same incident.View merged incident

A leak claim by interlock about this victim predates this filing by 37 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siteinterlockbd_a25dc26b9d0093dc2025-02-25 · +33dVerified
Leak Siteinterlockbd_1aea4a737e42a0802025-02-21 · +37dVerified by operator

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_5fe70eb9e4daeb982025-03-31Verified
Maine State AGbd_00241e6764a133652025-04-01 · +1dVerified
Massachusetts State AGbd_83d152bdb1071ffc2025-04-01 · +1dVerified by operator
Pressinterlockbd_a95f99b7669165742025-02-02 · +57dCandidate

Show 1 more filing ↓up to 388d gap

Maryland State AGbd_3b8c1babd819ef372026-04-23 · +388dVerified

Name: Siegel Group
norm: siegel group
Domain: siegelcompanies.com

Name: Siegel Group
norm: siegel group
Domain: siegelcompanies.com
Industry: Professional Servicesllm

Discovered: Feb 2, 2025
Breach occurred: Jan 28, 2025 – Feb 2, 2025
Undetected for: 5 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 31, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial accountPHIHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Reported the event to law enforcement

During the incident: Initiated an investigation into the matter with assistance from industry-leading cybersecurity specialists
Reported the event to law enforcement
Implemented additional security measures related to data privacy and security
Offering access to credit monitoring and identity restoration assistance services for [Extra1] months through Experian
Changes made: Implemented additional security measures related to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(57 days from discovery to filing)
Compliance flags: VT AG >14 bdayLeak >30d
Discovery-date grounding: 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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

PressFeb 2 · first

Indiana State AG+57d

Vermont State AG+57d · this page

Maine State AG+58d

Massachusetts State AG+58d

Maryland State AG+445d

Pattern: first filing Feb 2, last Apr 23 (MD) — a 445-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://ago.vermont.gov/document/2025-03-31-siegel-group-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 31, 2025
Raw hash: 83739fac1a768f265bb67356aed297db55679e065b83243fd8e0844f78986034

Linked disclosures

Ransomware claims (2)

Regulatory filings (5) · sorted by filing gap

Reporting entitySiegel Group

Victim entitySiegel Group

Incidentdiscovered Feb 2, 2025

Stated responseInitiated an investigation into the matter with assistance from industry-leading cybersecurity specialists

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov