HackingManufacturingManufacturingCustomer Data InvolvedData ExfiltratedIdentity (basic)Government IDFinancial accountPHIMediumContained

QualiChem Metalworking

bd_efde8dbb5a52aa81 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 16, 2025

Filed

Apr 29, 2026

To disclose

19 weeks

Affected

2state residents only

Linked

6 filings

Confidence

65%

Full breach record for QualiChem Metalworking →2 incidents on file

QualiChem Inc. filed a supplemental notice with the New Hampshire Attorney General regarding a data breach affecting 2 NH residents. Unauthorized access occurred between Oct 23 and Dec 16, 2025. Data included names, SSNs, driver's licenses, financial account numbers, and health insurance info. Notification mailed April 29, 2026, offering 1 year of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d19 weeks 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 · 54 days

discovery → filing · 19 weeks / 134 days

Oct 23, 2025

Begins

Dec 16, 2025

Discovered

Apr 29, 2026

Filed

This filing is one of 6 about the same incident.View merged incident

A leak claim by nitrogen about this victim predates this filing by 91 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitenitrogenbd_cbc78b10eae026882026-01-27 · +91dCandidate

Regulatory filings (4) · sorted by filing gap

Massachusetts State AGbd_4ba42c2c3fe4c5822026-04-29Verified
Maine State AGbd_680189cb8e14e48c2026-04-29Candidate
New Hampshire State AGbd_27e2235a78be2efd2026-03-10 · +50dVerified
Indiana State AGbd_9ab3de5f1d4ff3b92026-03-10 · +50dVerified

Name: Baker & Hostetler LLP (on behalf of QualiChem Inc.)
norm: baker hostetler llp on behalf of qualichem

Name: QualiChem Metalworking
norm: qualichem metalworking
Domain: qualichem.com
Industry: Manufacturingllm

Discovered: Dec 16, 2025
Breach occurred: Oct 23, 2025 – Dec 16, 2025
Undetected for: 54 daysoccurrence → discovery
Materiality determined: —
Notification sent: Apr 29, 2026
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial accountPHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Submitted initial report to NH Attorney General on March 10, 2026Submitted supplemental report to NH Attorney General on April 29, 2026

During the incident: Took steps to further secure our network
Began a forensic investigation
Reported the incident to law enforcement
Offered a complimentary, one-year subscription to credit monitoring and identity theft protection services
Established a dedicated, toll-free call center
Changes made: Reviewing its safeguards and the security of its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 19 weeks(134 days from discovery to filing)
Compliance flags: Leak >90d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 4 states

View merged incident ↗

New Hampshire State AGMar 10 · first

Indiana State AGMar 10 · first

Massachusetts State AG+50d

Maine State AG+50d

New Hampshire State AG+50d · this page

Pattern: first filing Mar 10 (NH), last Apr 29 (NH) — a 50-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://mm.nh.gov/files/uploads/doj/remote-docs/qualichem-20260429.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 29, 2026
Raw hash: 7cd541fccb06f33e08d48ed0f0525674df6ea6642a80cc8e77368c5ec3ad5379

Linked disclosures

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Reporting entityBaker & Hostetler LLP (on behalf of QualiChem Inc.)

Victim entityQualiChem Metalworking

Incidentdiscovered Dec 16, 2025

Stated responseTook steps to further secure our network

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov