'Exit scam' - hackers that hit UnitedHealth pull disappearing act
Security experts said the law enforcement denial and other clues made it look like the hackers had simply decided to shut up shop.
Security experts said the law enforcement denial and other clues made it look like the hackers had simply decided to shut up shop.
Neither UnitedHealth nor the hackers involved have commented on the alleged ransom payment, but a cryptocurrency tracing firm partially corroborated the claim on Monday.
The company said its experts were working with law enforcement authorities and third-party consultants to gauge the impact on its customers and patients.
Blackcat said it stole data from partners including Medicare, the U.S. military medical health agency Tricare, CVS Health and other companies.