DisclosureLens
GLOBALMalwareHealthcareHealthcareRansomwareDark ProjectRansom DemandedActor NamedData Leak ThreatenedData PublishedHigh

Mile Bluff Medical Center, Inc

bd_d81fc126ab38eb9d · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Jun 8, 2026

To disclose

Affected

Not disclosed

Confidence

50%
Full breach record for Mile Bluff Medical Center, Inc

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Dark Project 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: 2026-08-05

Source: Ransomware.live

Post text · scraped from the leak site

About Mile Bluff Medical Center Located in Mauston, Wisconsin, Mile Bluff Medical center has been in operation since 1912. Its services include acute emergency care, as well as long term nursing and rehabilitation A "Mile Bluff Medical Center" company suffered a cyberattack leading to the theft of over 550 GB of sensitive data. Exposed files include a full SQL database backup, employee records, confidential company financial information, bank records, patients' personal documents, Social Security numbers, medical records, medical histories, and surgical records. As a result, the personal data of more than 25,000 patients and staff members was leaked. Download here: http://7iphetz64a7iihcpwr3nirjioghyt6lrku62gu4z7f3zo7rcz5qrgvad.onion/

Incident timeline — mostly unverified

? — ?

Breach window unknown

Jun 8, 2026

Claim posted

No filing yet · watching

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

Claim → filing

Compliance clock

Not assessable

Tracked as a single-filing incident — the only disclosure on record for this event so far.Unverified claimView incident

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.

No regulatory filing corroborates this yet — it is the attacker's own assertion. Watch this entity to be notified the moment a filing corroborates or contradicts it.

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.