MalwareProfessional ServicesRansomwareRansom DemandedCustomer Data InvolvedIdentity (basic)LowContained

Glenwood Management Corp.

bd_645e1133be0a188c · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 10, 2025

Filed

Oct 2, 2025

To disclose

22 days

Affected

Not disclosed

Linked

5 filings

Confidence

68%

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

Glenwood Management Corp. notified consumers of a cyber-attack discovered on September 10, 2025. The attacker likely sought financial gain. Personal information, including names, was accessed. Glenwood engaged forensic experts, notified law enforcement, and enhanced security monitoring. Affected individuals are offered 12 months of credit monitoring and fraud assistance through Cyberscout/TransUnion.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d22 days discovery → filing

Incident timeline

discovery → filing · 22 days

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
Maine State AGbd_7291ead3383df0bb2025-10-02Candidate
Nebraska State AGbd_e7dd85efcb40381b2025-10-02Verified
Massachusetts State AGbd_f43fae16e0f264da2025-10-02Verified

Name: Glenwood Management Corp.
norm: glenwood management

Name: Glenwood Management Corp.
norm: glenwood management

Discovered: Sep 10, 2025
Materiality determined: —
Notification sent: Oct 2, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement

During the incident: Notified law enforcement
Moved quickly to contain the incident
Conducted a thorough investigation with the assistance of computer forensic experts
Providing 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.

Time to disclose: 22 days(22 days from discovery to filing)
Compliance flags: Leak >180dVT AG >14 bday
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

Maine State AGOct 2 · first

Nebraska State AGOct 2 · first

Massachusetts State AGOct 2 · first

Vermont 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://ago.vermont.gov/document/2025-10-02-glenwood-management-corp-data-breach-notice-consumers
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: 0cafeeb6bb1a0e3b387bffe5dd65a854533a56f40563bf4cea88b994a678fd73

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 provenanceago.vermont.gov