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Ransomware Victim Healthcare

Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers

Ransomware attack by Kazu · Disclosed November 11, 2025 · 🇺🇸 United States

doctoralliance.com

Date Disclosed
Nov 11, 2025
2025
Threat Group
Kazu
19 total victims
Country
🇺🇸 United States
Industry
Healthcare

ThreatAI Analysis

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

About the Kazu group

Kazu is an emerging ransomware group active since September 2025 that employs double-extortion tactics, targeting government, healthcare, and financial organizations primarily in Southeast Asia, the Middle East, and Latin America, with notable claimed breaches including Dubai's Ports, Customs and Free Zone Corporation with 1.94 TB exfiltrated. Kazu has listed 9 victims since November 2025.

Incident Analysis

Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers was targeted by Kazu ransomware, one of the most active ransomware groups in our database with 19 confirmed victims globally. The attack was disclosed on November 11, 2025, when Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers appeared on the group's dark web leak site.

Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers 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.

Kazu 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 6, 2026 22:00 UTC.

Frequently Asked Questions

Was Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers attacked by ransomware?

Yes. Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers was listed as a victim of the Kazu ransomware group on November 11, 2025. 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 Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers?

Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers was attacked by Kazu ransomware. Kazu is one of the most active ransomware groups, having claimed 19 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers ransomware attack occur?

The ransomware attack on Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers was disclosed on November 11, 2025. 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 Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers ransomware attack?

The specific data stolen from Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers 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, Doctor Alliance – Streamlined Document and Billing Management for Healthcare Providers likely held patient records, medical data, and personally identifiable information (PII).

How can organisations protect against Kazu attacks?

To defend against Kazu 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.