Mid South Pulmonary & Sleep Specialists listed on anubis leak site

• Ransomware group: anubis
• Country: United States
• Sector: Healthcare
• Announcement date: November 28, 2025

Mid South Pulmonary & Sleep Specialists listed on anubis leak site

The healthcare provider Mid South Pulmonary & Sleep Specialists has been listed on the leak site of the threat actor group known as anubis. The group has claimed to have compromised data belonging to the organization as of November 28, 2025. This announcement serves to publicize the incident through the group's platform.

Details of the claimed incident

According to the announcement made on November 28, 2025, the anubis group claims to have successfully compromised data belonging to Mid South Pulmonary & Sleep Specialists. The group has utilized its leak site to list the institution, making the claim public. Information regarding the specific identity and background of this threat actor group remains limited.

Ransomware groups often utilize leak sites as a tool for double extortion. In such scenarios, attackers not only encrypt an organization's systems but also steal sensitive data to pressure the victim into paying a ransom. By publishing the names of organizations on these sites, threat actors aim to increase public pressure and damage the reputation of the target. While the listing is a claim made by the group, the specific nature of the breach has not been independently verified.

Data involved in the claim

The announcement made by the anubis group mentions a breach involving specific types of information. However, because no screenshots were provided alongside the claim, the specific scope and the exact nature of the data remain unknown. The listing identifies the following affected data:

• Patient data

Because the group did not provide visual evidence or specific file details, the exact volume of the information involved remains unconfirmed. In many cyberattacks, the lack of immediate transparency regarding the data types can make it difficult for organizations to assess the full extent of the exposure until a formal investigation is completed.

About Mid South Pulmonary & Sleep Specialists

Mid South Pulmonary & Sleep Specialists is a healthcare provider based in Tennessee, USA. The organization specializes in pulmonology and sleep disorders. They provide medical diagnosis and treatment services specifically for respiratory diseases and sleep health.

Impact assessment and industry implications

This claim may create negative impacts on the institution's patient privacy and data security protocols. Given that the institution is a US-based healthcare provider, the incident could potentially lead to legal consequences under HIPAA regulations. Furthermore, there is a risk that the allegedly compromised data could be utilized for identity theft or targeted phishing attacks.

The loss of trust among the institution's patients may lead to long-term operational challenges. Until further evidence regarding the validity and scope of the claim is provided, the risk level is assessed as moderate.

For organizations operating within the healthcare sector, such incidents highlight the critical importance of robust defensive measures. Common defensive steps for organizations include implementing multi-factor authentication, maintaining regular offline backups, and conducting regular security awareness training for staff. Protecting sensitive patient information is vital to maintaining regulatory compliance and ensuring the continuity of medical services. As threat actors continue to target healthcare infrastructure, maintaining high standards of data security remains a primary operational necessity.