MalwareProfessional ServicesProfessional ServicesRansomwareRansom DemandedData ExfiltratedPIILowContained

Glenwood Management Corp.

bd_e7dd85efcb40381b · schema v1 · pii pii-v2

Severity

Low

Discovered

Sep 10, 2025

Filed

Oct 2, 2025

To disclose

—

Affected

Not disclosed

Linked

5 filings

Confidence

66%

Full breach record for Glenwood Management Corp. →2 incidents on file

Glenwood Management Corp notified Nebraska AG on October 2, 2025, of a cyber-attack discovered on September 10, 2025. The incident likely involved ransomware and unauthorized access to personal information. The company provided credit monitoring and fraud assistance to affected individuals. Law enforcement was notified, and security measures were enhanced.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d

Incident timeline

Sep 10, 2025

Discovered

Oct 2, 2025

Filed

This filing is one of 5 about the same incident.View merged incident

A leak claim by dan0n about this victim predates this filing by 512 days.View originating leak claim

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_001653c86a18f60a2025-10-02Verified
Vermont State AGbd_645e1133be0a188c2025-10-02Verified
Maine State AGbd_7291ead3383df0bb2025-10-02Candidate
Massachusetts State AGbd_f43fae16e0f264da2025-10-02Verified

Name: Glenwood Management Corp.
norm: glenwood management

Name: Glenwood Management Corp.
norm: glenwood management
Industry: Professional Servicesllm

Discovered: Sep 10, 2025
Materiality determined: —
Notification sent: Oct 2, 2025
Affected individuals: Not disclosed
Data types: PII
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Notified law enforcement
Moved quickly to contain the incident
Conducted a thorough investigation with the assistance of computer forensic experts
Providing you with access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance
Changes made: Enhancing security measures and security monitoring
Increasing company awareness of data security protection
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGOct 2 · first

Vermont State AGOct 2 · first

Maine State AGOct 2 · first

Massachusetts State AGOct 2 · first

Nebraska State AGOct 2 · first · this page

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://nebraska.gov/ago/data-breach/documents/d1bc5e1e-28be-4d4b-bf6e-55bc027efe70.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 2, 2025
Raw hash: 561093b46d1751d9d61984b1636174f5c16334c6b0e98acf173be68995979767

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityGlenwood Management Corp.

Victim entityGlenwood Management Corp.

Incidentdiscovered Sep 10, 2025

Stated responseNotified law enforcement

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov