Medical health insurance big UnitedHealth Group has confirmed {that a} ransomware assault on its well being tech subsidiary Change Healthcare earlier this 12 months resulted in an enormous theft of Individuals’ personal healthcare information.

UnitedHealth stated in a press release on Monday {that a} ransomware gang took information containing private information and guarded well being info that it says could “cowl a considerable proportion of individuals in America.”

The medical insurance big didn’t say what number of Individuals are affected however stated the info overview was “prone to take a number of months” earlier than the corporate would start notifying people that their info was stolen within the cyberattack.

Change Healthcare processes insurance coverage and billing for a whole lot of hundreds of hospitals, pharmacies and medical practices throughout the U.S. healthcare sector; it has entry to huge quantities of well being info on about half of all Individuals.

UnitedHealth stated it had not but seen proof that docs’ charts or full medical histories have been exfiltrated from its programs.

The admission that hackers stole Individuals’ well being information comes every week after a brand new hacking group started publishing parts of the stolen information in an effort to extort a second ransom demand from the corporate.

The gang, which calls itself RansomHub, revealed a number of information on its darkish internet leak web site containing private details about sufferers throughout an array of paperwork, a few of which included inside information associated to Change Healthcare. RansomHub stated it will promote the stolen information except Change Healthcare pays a ransom.

RansomHub is the second gang to demand a ransom from Change Healthcare. The well being tech big reportedly paid $22 million to a Russia-based legal gang referred to as ALPHV in March, which then disappeared, stiffing the affiliate that carried out the info theft out of their portion of the ransom.

RansomHub claimed in its publish alongside the revealed stolen information that “we have now the info and never ALPHV.”

In its assertion Monday, UnitedHealth acknowledged the publication of a few of the information however stopped in need of claiming possession of the paperwork. “This isn’t an official breach notification,” UnitedHealth stated.

The Wall Road Journal reported Monday that the legal hacking affiliate of ALPHV broke into Change Healthcare’s community utilizing stolen credentials for a system that permits distant entry to its community. The hackers have been in Change Healthcare’s community for greater than every week earlier than deploying ransomware, permitting the hackers to steal vital quantities of information from the corporate’s programs.

The cyberattack at Change Healthcare started on February 21 and resulted in ongoing widespread outages at pharmacies and hospitals throughout the USA. For weeks, physicians, pharmacies and hospitals couldn’t confirm affected person advantages for dishing out drugs, organizing inpatient care, or processing prior authorizations obligatory for surgical procedures.

A lot of the U.S. healthcare system floor to a halt, with healthcare suppliers going through monetary stress as backlogs develop and outages linger.

UnitedHealth reported final week that the ransomware assault has price it greater than $870 million in losses. The corporate reported it made $99.8 billion in income throughout the first three months of the 12 months, faring higher than what Wall Road analysts had anticipated.

UnitedHealth CEO Andrew Witty, who obtained near $21 million in whole compensation the complete 12 months of 2022, is about to testify to Home lawmakers on Might 1.