HackingManufacturingManufacturingCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Monterey Mushrooms, Inc.

bd_40da3695a52af1b9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 30, 2025

Filed

Sep 18, 2025

To disclose

19 days

Affected

1state residents only

Linked

10 filings

Confidence

66%

Full breach record for Monterey Mushrooms, Inc. →

Monterey Mushrooms, LLC reported an external system breach (hacking) affecting one Maine resident. Unauthorized access occurred between August 2 and August 7, 2025. The breach involved names, SSNs, and potentially driver's license/passport numbers. Notification was sent on September 18, 2025, offering one year of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d19 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 28 days

discovery → filing · 19 days

Aug 2, 2025

Begins

Aug 30, 2025

Discovered

Sep 18, 2025

Filed

This filing is one of 10 about the same incident.View merged incident

A leak claim by inc_ransom about this victim predates this filing by 42 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (3)

Leak Siteinc_ransombd_79bbf0052cee619f2025-09-04 · +13dVerified by operator
Leak Sitepayoutskingbd_e3ec4b90d017b69f2025-08-08 · +41dVerified by operator
Leak Siteinc_ransombd_13df222688d571e32025-08-07 · +42dVerified by operator

Regulatory filings (6) · sorted by filing gap

New Hampshire State AGbd_17acbf087b19cf7a2025-09-18Verified
Massachusetts State AGbd_2b3c00c52a65a78e2025-09-18Verified
California State AGbd_79b16cd7b701d24c2025-09-18Verified
Indiana State AGbd_fdc024fa12b201d02025-09-18Verified

Show 2 more filings ↓up to 17d gap

Texas State AGbd_9adbd9b1d57a950c2025-09-19 · +1dVerified
Illinois State AGbd_ed229c237054b3b92025-09-01 · +17dCandidate

Name: Monterey Mushrooms, Inc.
norm: monterey mushrooms
Domain: montereymushrooms.com

Name: Monterey Mushrooms, Inc.
norm: monterey mushrooms
Domain: montereymushrooms.com
Industry: Manufacturingllm

Discovered: Aug 30, 2025
Breach occurred: Aug 2, 2025 – Aug 7, 2025
Undetected for: 28 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 18, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Took measures to secure its IT network
Launched an investigation
Contacted law enforcement
Established a dedicated, toll-free call center
Offered credit monitoring to the Maine resident
Changes made: Implemented additional measures to enhance the security of its IT network
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 days(19 days from discovery to filing)
Compliance flags: Leak >30dME AG ≤30d · 19d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 30, 2025
→ Filed with AG: Sep 18, 2025
19d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 30, 2025 → Filed with AG: Sep 18, 2025	19d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Illinois State AGSep 1 · first

New Hampshire State AG+17d

Massachusetts State AG+17d

California State AG+17d

Indiana State AG+17d

Maine State AG+17d · this page

Texas State AG+18d

Pattern: first filing Sep 1 (IL), last Sep 19 (TX) — a 18-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/2dfaa8c9-037d-4bf8-8310-e68ee6a68779.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 18, 2025
Raw hash: 2ee55a22867bd5923a0263fa7d2b4ec0042990c948aa9ed4d9fa38fa305bcfaa

Linked disclosures

Ransomware claims (3)

Regulatory filings (6) · sorted by filing gap

Reporting entityMonterey Mushrooms, Inc.

Victim entityMonterey Mushrooms, Inc.

Incidentdiscovered Aug 30, 2025

Stated responseTook measures to secure its IT network

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov