HackingProfessional ServicesProfessional ServicesTargetedCustomer Data InvolvedIdentity (basic)MediumContained

Glenwood Management Corp.

bd_7291ead3383df0bb · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 10, 2025

Filed

Oct 2, 2025

To disclose

22 days

Affected · nationwide

8,1469 in this filing

Linked

5 filings

Confidence

66%

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

Glenwood Management Corp. reported an external system breach (hacking) occurring on June 26, 2025, discovered on September 10, 2025. The incident affected 8,146 individuals nationwide, including 9 Maine residents. Personal information including names and other personal identifiers was accessed. The company notified law enforcement, engaged forensic experts, and provided 12 months of credit monitoring services to affected individuals.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d22 days 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 · 76 days

discovery → filing · 22 days

Jun 26, 2025

Begins

Sep 10, 2025

Discovered

Oct 2, 2025

Filed

vs. sector median

16 wks faster

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
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
Industry: Professional Servicesllm

Discovered: Sep 10, 2025
Breach occurred: Jun 26, 2025
Undetected for: 76 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 2, 2025
Affected individuals: 8,146state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

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 >180dME AG ≤30d · 22d
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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Sep 10, 2025
→ Filed with AG: Oct 2, 2025
22d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 10, 2025 → Filed with AG: Oct 2, 2025	22d	30 days	ME AG ≤30d

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

Nebraska State AGOct 2 · first

Massachusetts State AGOct 2 · first

Maine 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/38e34dc2-5f41-4cd5-b68d-864a98dd84e4.html
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: e7d6e1a408e5d265458052771314e3bcb4f3d973711fe19f2604b79e05d44959

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 provenancewww.maine.gov