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Incident

Delta County Memorial Hospital District

Incident posture

Attack window
2025
Location
United States of America
Status
Unknown
CIA posture
Available to members
Updated
2026-09-01 11:48

Linked entities

Victim
Delta County Memorial Hospital District
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
2025
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

In 2025, a ransomware attack targeted Delta County Memorial Hospital District, affecting 500,000 individuals and exposing full names, dates of birth, and social security numbers.

Motives

Detailed motive labels are available to members.

1 motive

TTPs

Detailed technique labels are available to members.

1 technique

Description

Delta County Memorial Hospital District and River Region Cardiology suffered a ransomware attack in 2025 that was significant enough to be highlighted among the most impactful ransomware incidents of the year. The incident was part of an ongoing wave of ransomware activity that has continued to target the healthcare sector, exposing sensitive patient data and disrupting organizational operations. According to a published report referencing the event, the attack affected approximately 500,000 individuals, making it one of the larger healthcare-related breaches documented in recent reporting on ransomware trends.

The data exposed in the attack included full names, dates of birth, and Social Security numbers, a combination that creates substantial identity theft and fraud risk for the affected individuals. The compromise of this specific set of personally identifiable information indicates that the attackers gained access to records containing highly sensitive identifying details, rather than only operational or financial data. The scope of 500,000 affected individuals positions this incident alongside other major healthcare breaches, reinforcing the pattern observed in 2024 with the Change Healthcare attack that compromised the protected health information of 100 million individuals.

Beyond the immediate exposure of personal data, the incident reflects broader trends in ransomware operations during 2025, including the continued use of ransomware-as-a-service models and the targeting of healthcare organizations whose critical role in patient care makes them attractive targets for extortion. The attack on Delta County Memorial Hospital District and River Region Cardiology is grouped in reporting alongside attacks on other organizations, demonstrating that healthcare providers remain a primary focus for ransomware actors seeking both financial gain and access to large volumes of sensitive personal information. The combination of operational disruption and data exfiltration aligns with the double-extortion techniques that have become standard in modern ransomware campaigns, where attackers not only encrypt files but also threaten to leak stolen data if ransom demands are not met.

The specific technical details of the ransomware variant used, the method of initial access, the timeline of detection and containment, and the response actions taken by the affected organizations are not described in the available source material. The reporting identifies the incident solely through its impact metrics, including the number of individuals affected and the categories of data exposed, without providing detail on attacker attribution, ransom demands, payment outcomes, regulatory notifications, or remediation steps. As a result, the factual chronology, scope of affected systems, and specific response measures cannot be elaborated beyond what is stated in the source.

Sources

Sources available to members: 1 source.

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