HackingManufacturingManufacturingData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

HEXPOL Holding Inc.

bd_36e626e401cfa070 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 22, 2024

Filed

Jul 8, 2025

To disclose

28 weeks

Affected · nationwide

1,7231 in this filing

Linked

3 filings

Confidence

65%

Full breach record for HEXPOL Holding Inc. →

HEXPOL Holding Inc. reported an external system breach (hacking) on December 22, 2024, affecting 1,723 individuals. The incident involved unauthorized access and exfiltration of personal information including names and government identifiers. Notification was sent on July 3, 2025, offering 12 months of credit monitoring.

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Maine clockDiscovered Dec 22, 2024 → Filed with AG Jul 8, 2025198d ✗ ME AG >90d28 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 · 28 weeks / 198 days

Dec 22, 2024

Begins

Dec 22, 2024

Discovered

Jul 8, 2025

Filed

vs. sector median

+18 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Indiana State AGbd_1c3789a3794c78ee2025-07-03 · +5dVerified
Massachusetts State AGbd_2124fea16e1b21c92025-07-03 · +5dVerified

Name: HEXPOL Holding Inc.
norm: hexpol holding

Name: HEXPOL Holding Inc.
norm: hexpol holding
Industry: Manufacturingllm

Discovered: Dec 22, 2024
Breach occurred: Dec 22, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 3, 2025
Affected individuals: 1,723state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General

During the incident: Took immediate steps to securely contain our network
Restored our systems
Launched an immediate investigation in consultation with outside cybersecurity professionals
Offering 12 months of complimentary identity-theft services through Experian
Changes made: Continually evaluates and modifies its practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(198 days from discovery to filing)
Compliance flags: ME AG >90d · 198dME resident >180d · 193d
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: Dec 22, 2024
→ Filed with AG: Jul 8, 2025
198d 90 days ME AG >90d
Maine
Discovered: Dec 22, 2024
→ Notified: Jul 3, 2025
193d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 22, 2024 → Filed with AG: Jul 8, 2025	198d	90 days	ME AG >90d
Maine	Discovered: Dec 22, 2024 → Notified: Jul 3, 2025	193d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGJul 3 · first

Massachusetts State AGJul 3 · first

Maine State AG+5d · this page

Pattern: first filing Jul 3 (IN), last Jul 8 (ME) — a 5-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-a1252b4f8318/544819e6-e3d0-4266-a965-a6caaba7af60.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 8, 2025
Raw hash: 95b63f3a67c5541b3e09402a29418990f3a53ec6c9d0d697e551220a243ea398

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityHEXPOL Holding Inc.

Victim entityHEXPOL Holding Inc.

Incidentdiscovered Dec 22, 2024

Stated responseTook immediate steps to securely contain our network

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov