Cyber Threat Intelligence
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Ransomware Victim Healthcare

Minidoka Memorial Hospital

Ransomware attack by Blackwater · Disclosed May 2, 2026 · 🇺🇸 United States

minidokamemorial.org

Date Disclosed
May 2, 2026
2026
Threat Group
Blackwater
11 total victims
Country
🇺🇸 United States
Industry
Healthcare

ThreatAI Analysis

Compiled from this incident record and the threat intelligence profile for Blackwater. Figures and technique mappings are quoted from the source data, not inferred.

About the Blackwater group

Blackwater is a ransomware group that first surfaced in early 2026, combining file encryption with data theft and targeting healthcare organizations, with known victims including Minidoka Memorial Hospital in Idaho. Blackwater has listed 8 victims since April 2026.

Incident Analysis

Minidoka Memorial Hospital was targeted by Blackwater ransomware, one of the most active ransomware groups in our database with 11 confirmed victims globally. The attack was disclosed on May 2, 2026, when Minidoka Memorial Hospital appeared on the group's dark web leak site.

Minidoka Memorial Hospital is based in United States , operating in the Healthcare sector. United States ranks #1 globally for ransomware attacks, with 9,428 victims in our database.

Sector context: Healthcare organisations are high-value ransomware targets because patient data is extremely sensitive, regulatory penalties for breaches are severe, and operational downtime can threaten patient safety — all factors that increase ransom payment pressure.

Blackwater typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats — paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Sep 7, 2026 02:00 UTC.

Frequently Asked Questions

Was Minidoka Memorial Hospital attacked by ransomware?

Yes. Minidoka Memorial Hospital was listed as a victim of the Blackwater ransomware group on May 2, 2026. The organisation is based in United States and operates in the Healthcare sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Minidoka Memorial Hospital?

Minidoka Memorial Hospital was attacked by Blackwater ransomware. Blackwater is one of the most active ransomware groups, having claimed 11 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Minidoka Memorial Hospital ransomware attack occur?

The ransomware attack on Minidoka Memorial Hospital was disclosed on May 2, 2026. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the Minidoka Memorial Hospital ransomware attack?

The specific data stolen from Minidoka Memorial Hospital has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. As a Healthcare organisation, Minidoka Memorial Hospital likely held patient records, medical data, and personally identifiable information (PII).

How can organisations protect against Blackwater attacks?

To defend against Blackwater and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.