HackingManufacturingManufacturingData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

MATIV HOLDINGS, INC.

bd_446732b495186782 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 9, 2022

Filed

Oct 3, 2022

To disclose

12 weeks

Affected

12state residents only

Linked

4 filings

Confidence

66%

Full breach record for MATIV HOLDINGS, INC. →

Mativ Holdings Inc. notified the New Hampshire Attorney General of a data incident affecting 12 NH residents. Between June and July 2022, an unauthorized actor blocked network access and potentially accessed employee data including SSNs, DOBs, financial account numbers, and limited medical info. Mativ disconnected networks, engaged forensic investigators, notified law enforcement, and provided 24 months of credit monitoring.

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Incident timeline

undetected · 38 days

discovery → filing · 12 weeks / 86 days

Jun 1, 2022

Begins

Jul 9, 2022

Discovered

Oct 3, 2022

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Delaware State AGbd_5e2a7e2e29c0adef2022-10-03Candidate
Massachusetts State AGbd_77232dd2e2e413a02022-10-03Verified
Indiana State AGbd_96c1c61007a16f832022-10-03Verified

Name: Squire Patton Boggs
norm: squire patton boggs
Domain: squirepattonboggs.com

Name: MATIV HOLDINGS, INC.
norm: mativ holdings
Industry: Manufacturingllm

Discovered: Jul 9, 2022
Breach occurred: Jun 1, 2022 – Jul 31, 2022
Undetected for: 38 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 12state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: External
Regulator citations: Submitted notice to New Hampshire Attorney General Consumer Protection Bureau
Initial access: exploit_public_facing

During the incident: Disconnected the SWM and Scapa IT networks from the internet
Retained an independent IT firm to contain the incident and conduct a thorough forensic investigation
Notified law enforcement
Changes made: Provided credit monitoring and identity theft insurance for twenty-four (24) months for all affected individuals
Removed the unauthorized person from our systems and eliminated the vulnerability that was used to gain access to our systems
Strengthened our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(86 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Delaware State AGOct 3 · first

Massachusetts State AGOct 3 · first

Indiana State AGOct 3 · first

New Hampshire State AGOct 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/mativ-holdings-20221003.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 3, 2022
Raw hash: 9ec8976589c0c496c8532d6e67876c30b96c636d2ba789111115303caaa34962

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entitySquire Patton Boggs

Victim entityMATIV HOLDINGS, INC.

Incidentdiscovered Jul 9, 2022

Stated responseDisconnected the SWM and Scapa IT networks from the internet

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov