HackingManufacturingManufacturingCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)MediumContained

American Gypsum LLC

bd_d9d7e60d60f1899e · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 24, 2024

Filed

Nov 25, 2024

To disclose

26 weeks

Affected · nationwide

1,0442 in this filing

Linked

2 filings

Confidence

64%

Full breach record for American Gypsum LLC →

American Gypsum LLC reported an external system breach (hacking) on May 24, 2024, affecting 1,044 individuals, including 2 Maine residents. The incident involved unauthorized access to files containing personal information of current or former personnel. The company engaged forensic experts, notified law enforcement, and offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 24, 2024 → Filed with AG Nov 25, 2024185d ✗ ME AG >90d26 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 26 weeks / 185 days

May 24, 2024

Begins

May 24, 2024

Discovered

Nov 25, 2024

Filed

vs. sector median

+16 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Massachusetts State AGbd_69179578be49459f2024-11-25Verified

Name: American Gypsum LLC
norm: american gypsum

Name: American Gypsum LLC
norm: american gypsum
Industry: Manufacturingllm

Discovered: May 24, 2024
Breach occurred: May 24, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 22, 2024
Affected individuals: 1,044state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Engaged third-party forensic experts to assist with investigation and remediation efforts
Notified law enforcement of the incident
Reviewed technical and administrative security measures and taken steps to further strengthen those measures
Offered 12 months of Experian IdentityWorks comprehensive identity theft protection and credit monitoring services
Changes made: Reviewed technical and administrative security measures and taken steps to further strengthen those measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(185 days from discovery to filing)
Compliance flags: ME AG >90d · 185dME resident >180d · 182d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 24, 2024
→ Filed with AG: Nov 25, 2024
185d 90 days ME AG >90d
Maine
Discovered: May 24, 2024
→ Notified: Nov 22, 2024
182d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 24, 2024 → Filed with AG: Nov 25, 2024	185d	90 days	ME AG >90d
Maine	Discovered: May 24, 2024 → Notified: Nov 22, 2024	182d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Massachusetts State AGNov 25 · first

Maine State AGNov 25 · 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/fdd81a09-cce9-4a68-8b1e-1e18813770d1.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 25, 2024
Raw hash: 79a040835ceffa5b84e06d7e0bdf00ee6d500992d045746ccca7fcbde51298c5

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityAmerican Gypsum LLC

Victim entityAmerican Gypsum LLC

Incidentdiscovered May 24, 2024

Stated responseEngaged third-party forensic experts to assist with investigation and remediation efforts

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov