DisclosureLens
MalwareManufacturingRansomwareData EncryptedRansom DemandedEmployee Data InvolvedGovernment IDIdentity (basic)Financial accountFinancial credentialsHealth (basic)PHIPIIMediumContained

Carpenter Co.

bd_4e3bd9c637312328 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 18, 2021

Filed

Sep 11, 2021

To disclose

25 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

65%
Full breach record for Carpenter Co.2 incidents on file

Carpenter Co experienced a ransomware incident on March 18, 2021, impacting IT systems. The company did not pay the ransom. Forensic investigation confirmed on May 24, 2021, that threat actors accessed personal information of employees and contractors, including SSNs, DOBs, financial account details, and health information. The company contained the malware, locked out unauthorized users, and engaged forensic experts. Remediation included network monitoring and active directory hardening. Identity monitoring was provided via Kroll.

Incident timeline

discovery → filing · 25 weeks / 177 days

Mar 18, 2021

Begins

Mar 18, 2021

Discovered

Sep 11, 2021

Filed

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 5 states

View merged incident ↗
Montana State AGJul 27 · first
California State AG+46d · this page

Pattern: first filing Jul 27 (MT), last Sep 11 (CA) — a 46-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.