high severity August 05, 2026 · 4 min read Unverified claim — what this is

Mile Bluff Medical Center Listed by Dark Project Ransomware Group

If you were named in this filing, here’s what is being claimed, and what it would mean for you.

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
— from Dark Project’s own leak-site posting. This is the group’s claim, quoted verbatim; it is not GalaxyWarden’s reporting and has not been independently verified.

Mile Bluff Medical Center Listed by Dark Project Ransomware Group

On August 05, 2026, the ransomware group Dark Project added Mile Bluff Medical Center to its public leak site. The listing claims the Wisconsin healthcare provider suffered a cyberattack in which attackers allegedly stole more than 550 GB of data. As of this writing, Mile Bluff Medical Center has not issued a public breach notification or confirmed the incident.

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Claims in the Leak-Site Listing

The Dark Project leak-site entry states that a company identified as Mile Bluff Medical Center was compromised and that attackers exfiltrated over 550 GB of material. According to the listing, the stolen archive includes a full SQL database backup, employee records, confidential financial documents, bank records, patients’ personal documents, Social Security numbers, medical records, medical histories, and surgical records. The group has not publicly disclosed the exact number of individuals affected, and the organization itself has not validated any of these claims.

Because the sole primary source is the threat actor’s own leak site, this remains an unconfirmed claim. No regulator, state attorney general, HHS, or company-issued notice has yet appeared.

Why This Matters for You and Your Family

If the claims are accurate, patients and employees of Mile Bluff Medical Center face significant exposure. Medical records, surgical histories, and Social Security numbers are among the most sensitive categories of personal information. A single leak of this type can fuel identity theft, insurance fraud, prescription fraud, and long-term financial harm for years. Families in Mauston and the surrounding communities who have received care at the facility since 1912 may have their most private health and financial details now circulating among criminals.

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Report details & sourcing

Attributed to Dark Project · 53 incidents tracked →

Severity High the filing does not enumerate what was exposed

Disclosed August 05, 2026

Last reviewed August 8, 2026

Affected Unconfirmed

By GalaxyWarden Threat Research · Editorial & sourcing standards

Unverified claim — what this report is

This page documents a public listing on a ransomware/extortion group’s leak site, tracked via public threat-intelligence sources. A listing is the attacker’s claim. GalaxyWarden aggregates and reports such claims; we have not independently verified that a breach occurred, what data (if any) was taken, or the accuracy of anything the group asserts, and the named organisation has not necessarily confirmed the incident. Sections above describe what the listing shows and the group’s documented history — not verified findings about the named organisation. If you represent this organisation and believe anything here is inaccurate, tell us and we’ll review it promptly.

Editorial & sourcing policy

GalaxyWarden is a breach-monitoring service and news aggregator. We do not exfiltrate, host, purchase, or redistribute stolen data. Breach information is compiled from publicly accessible sources and threat-intelligence platforms, and is reported as claims attributed to their source. We promptly correct or remove material shown to be inaccurate — see our content & takedown policy or write to support@galaxywarden.com.

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Dark Project — 53 incidents tracked

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