MalwareManufacturingManufacturingRansomwareData EncryptedCustomer Data InvolvedEmployee Data InvolvedDelayed DiscoveryPIIIdentity (basic)Government IDFinancial accountPHIHealth (basic)MediumContained

THYSSENKRUPP MATERIALS, LLC

bd_9f1d6f450797d418 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 28, 2021

Filed

May 19, 2021

To disclose

16 weeks

Affected

6state residents only

Confidence

66%

Full breach record for THYSSENKRUPP MATERIALS, LLC →3 incidents on file

Supplemental state-AG notification from thyssenkrupp Materials Group (via Greenberg Traurig) to NH AG regarding a Dec 28, 2020 ransomware attack. The incident encrypted servers/workstations. The company identified 6 NH residents (current/former employees and family) whose PII (SSN, DOB, payroll, health info) was compromised. Notifications began May 19, 2021, offering 2 years of credit monitoring. Discovery of specific data compromise was Jan 28, 2021; review completed May 5, 2021.

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Incident timeline

undetected · 31 days

discovery → filing · 16 weeks / 111 days

Dec 28, 2020

Begins

Jan 28, 2021

Discovered

May 19, 2021

Filed

vs. sector median

+5 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed6 affectedView incident

Name: Greenberg Traurig, P.A.
norm: greenberg traurig

Name: THYSSENKRUPP MATERIALS, LLC
norm: thyssenkrupp materials
Industry: manufacturing
Industry: Manufacturingllm

Discovered: Jan 28, 2021
Breach occurred: Dec 28, 2020
Undetected for: 31 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 19, 2021
Affected individuals: 6state-resident count only
Data types: PIIIdentity (basic)Government IDFinancial accountPHIHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial
Regulator citations: Notification of Security Incident to Attorney General John Formella

During the incident: Took immediate action to investigate and isolate the attack and secure our IT environment
Conducted an exhaustive search of approximately 150,000 documents to identify whether specific individuals’ information was contained therein and to locate the affected individuals
Notified certain current and former employees and family members
Offering two years of triple bureau credit monitoring and identity theft protection services at no cost
Changes made: Increasing the monitoring of our networks
Further improving access controls and hardening our systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(111 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/thyssenkrupp-materials-group-20210519.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 19, 2021
Raw hash: 21a040edc16bd7d223c15b738b5930523517958714a9b55569df1aeed9e27ea0

Reporting entityGreenberg Traurig, P.A.

Victim entityTHYSSENKRUPP MATERIALS, LLC

Incidentdiscovered Jan 28, 2021

Stated responseTook immediate action to investigate and isolate the attack and secure our IT environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov