DisclosureLens
MalwareManufacturingProfessional ServicesManufacturingRansomwareData EncryptedCustomer Data InvolvedFinancial accountHealth (basic)Identity (basic)Government IDPHIHighContained

THYSSENKRUPP MATERIALS, LLC

bd_d28b0ce8a0a5bb31 · schema v1 · pii pii-v1

Severity

High

Discovered

Dec 28, 2020

Filed

Jan 26, 2021

To disclose

29 days

Affected

1,250state residents only

Linked

9 filings

Confidence

70%
Full breach record for THYSSENKRUPP MATERIALS, LLC →3 incidents on file

thyssenkrupp Materials group of companies reported a ransomware attack on December 28, 2020, encrypting servers and workstations. The incident exposed HR data of current and former employees, including names, SSNs, birthdates, direct deposit info, payroll data, and health information. Approximately 1,250 Washington residents were notified. The company isolated the attack, enhanced security controls, and offered 24 months of credit monitoring via TransUnion.

Washington clock✓ WA AG ≤30d29 days 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 · 29 days

Dec 28, 2020

Begins

Dec 28, 2020

Discovered

Jan 26, 2021

Filed

This filing is one of 9 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Show 4 more filings ↓up to 25d gap

Filing propagation · 9 filings · 7 states

View merged incident ↗

Pattern: first filing Jan 1 (IL), last Jan 27 (NH) — a 26-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.