DisclosureLens
MalwareEnergy & UtilitiesUtilitiesRansomwareStolen CredentialsData EncryptedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

BTU International, Inc.

bd_cdb2ef2fd43ab531 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 12, 2021

Filed

Jul 13, 2021

To disclose

13 weeks

Affected

1state residents only

Linked

7 filings

Confidence

67%
Full breach record for BTU International, Inc.2 incidents on file

BTU International, Inc. notified Montana residents of a data breach detected on April 12, 2021. Attackers acquired data and disabled systems, encrypting files (ransomware). Affected employee data included names, addresses, DOB, SSNs, and financial/medical info. BTU engaged forensic investigators, notified law enforcement, and provided 2 years of credit monitoring.

Incident timeline

discovery → filing · 13 weeks / 92 days

Apr 12, 2021

Discovered

Jul 13, 2021

Filed

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Show 2 more filingsup to 61d gap

Filing propagation · 7 filings · 5 states

View merged incident ↗
Maine State AGMay 13 · first
Massachusetts State AGMay 13 · first
Montana State AG+61d · this page

Pattern: first filing May 13 (ME), last Jul 19 (NH) — a 67-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.