A ransomware attack on Change Healthcare, a company that processes 15 billion health care transactions annually and deals with 1 in 3 patient records in the United States, is continuing to cause massive disruptions nearly three weeks later.
The hack shut down the system for processing claims, billing and verifying patients’ eligibility for receiving care. Prescriptions were delayed, while discharging patients from hospitals and issuing paychecks for medical workers also were targeted.
The incident, which started on February 21, has been called the “most significant cyberattack on the…
