DisclosureLens
GLOBALMalwareGovernmentGovernmentRansomwareQilinRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

TWU Local 100

bd_4cde0d138cbb2a22 · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Feb 3, 2026

To disclose

—

Affected

Not disclosed

Linked

6 records

Confidence

50%
Full breach record for TWU Local 100 →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Qilin on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: Public SectorDiscovered: 2026-02-23

Source: Ransomware.live

Incident timeline — mostly unverified

? — ?

Breach window unknown

Feb 3, 2026

Claim posted

—

Corroborated · see linked filings

This record's own dates cannot anchor compliance clocks; see the linked filings.

Claim → filing

—

Compliance clock

Not assessable

This leak-site claim is one of 6 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 80d gap

Filing propagation · 5 filings · 4 states

View merged incident ↗
Indiana State AGApr 24 · first
Indiana State AGApr 24 · first
Vermont State AGApr 24 · first
Massachusetts State AGApr 24 · first
New Hampshire State AGApr 24 · first

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2022-10-08

qilin

According to ransomware.live, Qilin ransomware was first observed in July of 2022. Qilin Ransomware is written in Golang and supports multiple encryption modes; all of which are controlled by the operator. Qilin actors practice double extortion – demanding payment for a decryptor, as well as for the non-release of stolen data.

2,791 tracked hereFull profile →