HackingManufacturingManufacturingCapture Stored DataData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumActive

Hazen Paper Company

bd_b5b7e425051a2d7e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 23, 2025

Filed

Sep 3, 2025

To disclose

6 weeks

Affected

1state residents only

Linked

3 filings

Confidence

65%

Full breach record for Hazen Paper Company →

Hazen Paper Company notified the New Hampshire Attorney General of a data event affecting one NH resident. Unauthorized access occurred between July 22-23, 2025, resulting in the copying of employee names and Social Security numbers. Hazen took systems offline, engaged law enforcement, and is offering 24 months of credit monitoring.

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Incident timeline

undetected · 1 days

discovery → filing · 6 weeks / 42 days

Jul 22, 2025

Begins

Jul 23, 2025

Discovered

Sep 3, 2025

Filed

vs. sector median

5 wks faster

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

Massachusetts State AGbd_783721879579afd52025-09-03Verified
Indiana State AGbd_7b356227e7b9c3d22025-09-03Candidate

Name: Mullen Coughlin LLC
norm: mullen coughlin

Name: Hazen Paper Company
norm: hazen paper
Industry: Manufacturingllm

Discovered: Jul 23, 2025
Breach occurred: Jul 22, 2025 – Jul 23, 2025
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Sep 3, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated CollectionT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified federal law enforcement regarding the event and is cooperating with its investigationreporting the event to applicable regulators, as required

During the incident: Brought the network offline
Secure the systems
Launched an investigation
Notified federal law enforcement regarding the event and is cooperating with its investigation
Working to implement additional safeguards and training to its employees
Providing access to credit monitoring services for twenty-four (24) months, through TransUnion
Changes made: Reviewing relevant processes, procedures, and security tools
Reported this event to federal law enforcement and is reporting the event to applicable regulators
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(42 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGSep 3 · first

Indiana State AGSep 3 · first

New Hampshire State AGSep 3 · 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://mm.nh.gov/files/uploads/doj/remote-docs/hazen-paper-20250903.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 3, 2025
Raw hash: 22a2a82c6c308ed3cd3f4c1cebab29411dc3f110a99f9b3b21ba8f59d26c9bfd

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMullen Coughlin LLC

Victim entityHazen Paper Company

Incidentdiscovered Jul 23, 2025

Stated responseBrought the network offline

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov