Episource warns of a data breach after hackers stole health information of over 5 million people in the United States in a January cyberattack.
Episource is an American healthcare services company that provides risk adjustment, medical coding, data analytics, and technology solutions to health plans and providers. They help insurers optimize payments and compliance in government programs like Medicare Advantage.
In a data breach notification on its website, Episource says it detected unusual activity on its systems on February 6, 2025. An investigation revealed that hackers accessed and exfiltrated sensitive data stored on these systems between January 27 and the time of the discovery.
"We learned from our investigation that a cybercriminal was able to see and take copies of some data in our computer systems," explains Episource.
"This happened between January 27, 2025 and February 6, 2025. To date, we are not aware of any misuse of the data."
The exposed data varied per individual but may include one or more of the following data types:
Full name
Physical address
Email address
Phone number
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