UnitedHealth says hackers possibly stole large amount of data

The disclosure suggests patients’ healthcare information remains vulnerable. — Reuters

NEW YORK: UnitedHealth Group says that hackers stole health and personal data of potentially a “substantial proportion” of Americans from its systems in February, as the largest US health insurer scrambles to contain the damage.

The intrusion at its Change Healthcare unit, which processes about 50% of US medical claims, was one of the worst hacks to hit American healthcare and caused widespread disruption in payment to doctors and health facilities.