DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareWorldleaksRansom DemandedActor NamedMedium

Deaconess Health System

bd_ee3310a1c914a30f · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 8, 2026

To disclose

—

Affected

Not disclosed

Linked

6 filings

Confidence

50%
Full breach record for Deaconess Health System →5 incidents on file

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Worldleaks 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: 2026-04-08
Listing address (not linked): https://worldleaksartrjm3c6vasllvgacbi5u3mgzkluehrzhk2jz4taufuid.onion/companies/0543941525View merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

Deaconess Health System is a nonprofit regional health care organization based in Evansville, Indiana, United States. It operates hospitals, clinics, and specialty care centers across the tri-state area of Indiana, Illinois, and Kentucky. Services include emergency care, oncology, cardiology, orthopedics, and behavioral health. Founded in 1892, it remains one of the largest employers in southwestern Indiana.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Apr 8, 2026

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 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (4) · sorted by filing gap

Filing propagation · 5 filings · 3 states

View merged incident ↗
Illinois State AGMar 1 · first
HHS OCR+19d
Leak Site+38d · this page
Illinois State AG+153d
Texas State AG+159d

Pattern: first filing Mar 1 (IL), last Aug 7 (TX) — a 159-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 2022-06-23

worldleaks

According to ransomware.live, World Leaks emerged in January 2025 as a rebrand of the Hunters International ransomware operation, shifting its focus from file encryption to solely stealing sensitive data and threatening to leak it unless a ransom is paid

187 tracked hereFull profile →