Colorado Pulmonary Intensivists targeted by pear ransomware group

• Ransomware group: pear
• Country: United States
• Sector: Healthcare
• Announcement date: April 13, 2026

Pear ransomware group claims data breach at Colorado Pulmonary Intensivists

The ransomware group known as pear has claimed responsibility for a data breach involving Colorado Pulmonary Intensivists. In an announcement posted on a leak site, the group asserted that they have successfully targeted the healthcare organization and exfiltrated a significant volume of sensitive information from their systems.

Details of the alleged cyberattack

According to the announcement made by the pear group on April 13, 2026, the organization was targeted in a cyberattack. The group claims to have exfiltrated 1.5 TB of data from the systems belonging to Colorado Pulmonary Intensivists. This alleged incident is presented as a follow-up to a period of cyber activity that reportedly took place on April 9, 2026.

Ransomware groups often utilize leak sites to host announcements regarding their targets. These platforms serve as a tool for the attackers to demonstrate their success and exert pressure on the victim. While the specific methods used to gain access have not been detailed in the announcement, the claim of a large-scale data exfiltration suggests a significant breach of the organization's digital perimeter.

Alleged data types involved in the leak

Based on the information provided by the group, the alleged leaked data includes a variety of sensitive documents and information. The group has provided screenshots to support their claims regarding the nature of the stolen files. The data types identified in the listing include:

• Contracts
• Invoices
• Patient records
• Address information

The presence of such diverse data types indicates that the breach may have impacted multiple departments within the organization, ranging from administrative and financial sectors to direct clinical care documentation.

About Colorado Pulmonary Intensivists

Colorado Pulmonary Intensivists is a healthcare organization specializing in pulmonology, critical care, and sleep medicine. They focus on providing outpatient pulmonary care and intensive care services to their patients.

Potential implications and industry context

The alleged exfiltration of data from the healthcare sector may pose significant risks regarding patient privacy and HIPAA compliance. The exposure of sensitive patient information could potentially facilitate identity theft and targeted phishing attacks against both the organization and its patients. Furthermore, the organization may face operational disruptions and reputational damage as a result of this incident.

In the current threat landscape, ransomware groups typically employ double extortion tactics. This method involves not only encrypting the victim's data to disrupt operations but also stealing sensitive information to threaten its public release. The publication of data on a leak site is a common tactic used to increase the pressure on an organization to meet ransom demands. While information about the pear group is limited in the public domain, their actions align with these known extortion patterns.

Organizations in the healthcare sector often implement various defensive steps to mitigate such risks. These include maintaining robust backup solutions, implementing strict access controls, and conducting regular security awareness training for staff. Protecting sensitive patient information is a critical component of maintaining trust and ensuring compliance with healthcare regulations. As cyber threats continue to evolve, the ability to detect and respond to unauthorized data exfiltration remains a primary concern for medical institutions globally.