5,400,000 Americans’ Personal Health Information Stolen in Massive Ransomware Attack on Medical Billing Company

A healthcare tech company is warning millions of Americans that their personal data has been stolen by hackers.

Data breach notices from Vermont and California’s state governments say Episource – which provides software and other solutions to healthcare plans and providers – suffered a hack affecting 5.4 million people.

Episource told regulators and its clients that on February 6, 2025, the firm “found unusual activity in our computer systems.” Upon investigation, Episource discovered that bad actors were able to “take copies” of data on their computers.

“We quickly took steps to stop the activity. We began investigating right away and hired a special team to help us. We also called law enforcement.

We turned off our computer systems to help protect our customers and

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