The ransomware group allegedly behind a recent cyber attack on UnitedHealth (NYSE:UNH) The Change Healthcare unit claims to have stolen millions of records, including data from partners such as Medicare, U.S. Army TriCare and CVS Health (NYSE:CVS), according to Reuters.
THE The hacking group known as Blackcat and ALPHV posted the claims on its dark website but quickly deleted them. Cybersecurity researchers have since shared screenshots of the group’s claims online, Reuters said. Reuters added that it was unable to verify the group’s claims at this time.
Reuters said UnitedHealth was aware of the hackers’ statement and was “looking into it.” CVS Health also said it was aware of the statement, but that Change has not yet confirmed whether any information from CVS Health or CVS Caremark was affected by the hack.
The Centers for Medicare and Medicaid Services and Tricare did not immediately respond to requests for comment from Reuters. TriCare said all of its military pharmacies were affected by the hacking incident, Reuters added.
Blackcat has a long history of going after companies, including attacks last year against MGM Resorts (MGM) and Caesars Entertainment (CZR), Reuters said.