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Incident

River Region Cardiology

Incident posture

Attack window
2025
Location
-
Status
Unknown
CIA posture
Available to members
Updated
2026-09-01 11:38

Linked entities

Victim
River Region Cardiology
Threat actors
0 actors
Sources
1 source

Timeline

Occurred
2025
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

In 2025, a ransomware attack targeted River Region Cardiology, affecting 500,000 individuals and exposing full names, dates of birth, and social security numbers.

Motives

Detailed motive labels are available to members.

0 motives

TTPs

Detailed technique labels are available to members.

1 technique

Description

In early 2025, River Region Cardiology, a healthcare provider, was targeted in a ransomware attack that simultaneously affected Delta County Memorial Hospital District. The incident was part of a continuing wave of cyberattacks aimed at the healthcare sector, an industry that has remained a prominent target for ransomware operators. According to reporting on the event, the attack resulted in the compromise of sensitive personal information belonging to a large group of individuals, with the total number of affected people reported to be approximately 500,000. The breach exposed a range of personally identifiable information, including individuals' full names, dates of birth, and Social Security numbers. These categories of data are particularly sensitive because they can be used for identity theft, financial fraud, and other forms of exploitation, making the exposure especially damaging to those affected.

The nature of the attack aligns with broader trends observed in ransomware activity during 2024 and into 2025, where operators have shifted toward "double-extortion" tactics. In these schemes, attackers do not simply encrypt the victim's files and demand payment for a decryption key, but they also exfiltrate data beforehand and threaten to publish, sell, or otherwise leak the stolen records if the ransom is not paid. This dual pressure increases the leverage attackers hold over victims, particularly in healthcare, where the exposure of protected health and personal information can carry regulatory penalties and severe reputational consequences. While the specific ransomware variant or threat actor responsible for the River Region Cardiology incident is not identified in the available source material, the pattern of exposed data suggests that exfiltration was a central component of the operation. The attack on River Region Cardiology occurred alongside an attack on Delta County Memorial Hospital District, indicating either a shared vulnerability between the two organizations or a coordinated campaign targeting healthcare entities in the same period.

The data types compromised in the breach, including full names, dates of birth, and Social Security numbers, represent the kind of information that is highly valued on illicit marketplaces. With this combination of data, bad actors can engage in identity fraud, open fraudulent accounts, file false tax returns, or attempt to obtain medical services using the victim's identity. The breach affecting 500,000 individuals means that a substantial population was suddenly at heightened risk of these downstream crimes, and notification, credit monitoring, and other remediation steps would typically follow such an event, although details of those response actions are not provided in the source material.

The broader context in which this incident occurred highlights the escalating financial and operational toll of ransomware. Industry reporting cited in the same period indicated that nearly 90 percent of organizations were targeted by ransomware in 2024, up from 89 percent the previous year, and that the average cost of an attack exceeded $4.91 million. Total ransomware payments reached a reported $459.8 million in 2024, with average ransom demands per attack surpassing $5.2 million in just the first half of the year. Recovery times have also lengthened, with only 22 percent of attacked organizations recovering within a week, and 56 percent of organizations taking between three and twelve months to detect a breach. These figures underscore the persistence and severity of the threat environment that organizations like River Region Cardiology faced at the time of the attack.

The River Region Cardiology incident is situated within a healthcare landscape that had already been profoundly impacted by major breaches. Most notably, the Change Healthcare attack of 2024 led to the compromise of protected health information belonging to 100 million individuals and was expected to cost the company $2.457 billion, making it the largest healthcare breach ever recorded in the United States at that time. The recurrence of healthcare-focused attacks in 2025, including the River Region Cardiology breach, demonstrates that adversaries continued to view the sector as a high-value target. The combination of sensitive personal data, regulatory requirements around breach disclosure, and the critical nature of patient care services makes healthcare organizations particularly vulnerable to both the operational disruption and the extortion leverage that ransomware operators seek to exploit. The available source material confirms the scale of the River Region Cardiology incident and the categories of data exposed, while leaving other specifics such as the date of discovery, the duration of the exposure, the identity of the threat actor, and the precise response actions taken by the organization unaddressed.

Sources

Sources available to members: 1 source.

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