Third-Party Cyberattack Impacts Patient Information at The Oncology Institute
The Oncology Institute disclosed a data breach tied to a third-party vendor, potentially exposing patient information after a 2025 cyberattack. The Oncology Institute has confirmed that patient information was impacted in a cybersecurity incident involving a third-party software provider. The healthcare network first disclosed the security breach in November 2025 while the vendor’s investigation was […]
The Oncology Institute has confirmed that patient information was impacted in a cybersecurity incident involving a third-party software provider. The healthcare network first disclosed the security breach in November 2025 while the vendor’s investigation was still ongoing. Although the provider has not been officially named, reports suggest Cognizant-owned TriZetto may be involved.
The Oncology Institute, Inc. is a U.S.-based healthcare company that provides community-based cancer care services. It operates a network of oncology clinics focused on treating patients with cancer in outpatient settings, aiming to make care more accessible outside of large hospital systems.
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