Change Healthcare is going through a brand new cybersecurity nightmare after a ransomware group started promoting what it claims is Individuals’ delicate medical and monetary data stolen from the well being care large.

“For many US people on the market doubting us, we in all probability have your private information,” the RansomHub gang stated in an announcement seen by WIRED.

The stolen information allegedly consists of medical and dental data, cost claims, insurance coverage particulars, and private data like Social Safety numbers and e-mail addresses, in accordance with screenshots. RansomHub claimed it had well being care information on active-duty US army personnel.

The sprawling theft and sale of delicate well being care information represents a dramatic new type of fallout from the February cyberattack on Change Healthcare that crippled the corporate’s claims-payment operations and despatched the US well being care system into disaster as hospitals struggled to remain open with out common funding.

Change Healthcare, a subsidiary of UnitedHealth Group, beforehand acknowledged {that a} ransomware gang generally known as BlackCat or AlphV breached its methods, and informed WIRED final week that it’s investigating RansomHub’s claims about possessing the corporate’s stolen information. Change Healthcare didn’t instantly reply to a request for remark in regards to the group’s alleged sale of its information.

The big variety of affected person information that RansomHub claims to be promoting is a testomony to Change Healthcare’s position as a vital middleman between insurers and well being care suppliers, facilitating funds between each events and amassing reams of delicate details about sufferers and their medical procedures within the course of.

Among the many pattern data that RansomHub posted are an inventory of open claims dealt with by the corporate’s EquiClaim subsidiary that features affected person and supplier names; a hospital file for a 74-year-old lady in Tampa, Florida; and a part of a database file associated to US army service members’ well being care.

RansomHub stated it might permit particular person insurance coverage firms that labored with Change Healthcare and had their information compromised to pay ransoms to forestall the sale of their data. It specified that it was promoting information belonging to a number of main insurance coverage firms.

Change Healthcare’s “processing of delicate information for all of those firms is simply one thing unbelievable,” RansomHub stated in its announcement.

Brett Callow, a risk analyst on the safety agency Emsisoft who intently tracks ransomware gangs, says the brand new sale of stolen information was in all probability “much less about truly promoting the information” and extra about placing Change Healthcare—and the accomplice firms whose data it failed to guard—“below further strain to pay.”

Change Healthcare seems to have paid a $22 million ransom to AlphV to cease it from leaking terabytes of stolen information.

Two months into the disaster spawned by the ransomware assault, Change Healthcare has confronted mounting losses. The corporate just lately reported spending $872 million responding to the incident as of March 31.

On the similar time, Change is below growing strain from lawmakers and regulators to clarify its cybersecurity lapse and the steps it’s taking to forestall one other hack.

A subcommittee of the Home Power and Commerce Committee held a listening to on the well being sector’s cyber posture on Tuesday, with key lawmakers saying they had been upset that UnitedHealth Group declined to make an government out there to testify. And the Division of Well being and Human Providers is investigating whether or not Change Healthcare’s failure to forestall hackers from accessing and stealing its information violated federal data-security guidelines.