DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareKawa4096Ransom DemandedActor NamedMedium

Susan B. Allen Memorial Hospital

bd_f7f3892d2f43f52f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Jul 20, 2025

To disclose

Affected

Not disclosed

Linked

2 filings

Confidence

50%

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Kawa4096 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: HealthcareDiscovered: 2025-07-22

Source: Ransomware.live

Post text · scraped from the leak site

sbamh.org

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jul 20, 2025

Claim posted

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Claim → filing

Compliance clock

Not assessable

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings

View merged incident ↗
Leak SiteJul 20 · first · this page

Pattern: first filing Jul 20, last Sep 25 (KS) — a 66-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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 2025-06-19

kawa4096

According to ransomware.live, Kawa4096 is a ransomware group that emerged in June 2025, targeting multinational corporations across finance, education, and services sectors primarily in the US and Japan, using partial-encryption (25% of each file chunk) with Salsa20 and a leak site styled after Akira's retro terminal aesthetic, claiming at least 11 victims.

17 victims claimed globally17 tracked hereFull profile →