A graphic showing a cyber security alert Credit: Sashkin/Adobe Stock;

The group that recently carried out a massive cyberattack on Change Healthcare and stole private patient information has followed through on their threats to publish that data.

RansomHub on Monday posted several personal information files on its dark website, including billing files, insurance records and medical information. Some files also contained contracts and agreements between Change and its partners, according to the technology website TechCrunch.

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