DuPage Medical Group in Illinois experienced a computer and phone cyberattack

Risk to Business: 1.636 = Severe

DuPage Medical Group is notifying 600,000 patients that their personal information may have been compromised during a July cyberattack. The largest independent physician group in Illinois experienced a computer and phone outage that lasted nearly a week in mid-July. Investigators determined that the incident was caused by unauthorized actors who accessed its network between July 12 and July 13.

Individual Risk: 1.866 = Severe

The investigators determined that files containing patient information including names, addresses, dates of birth, diagnosis codes, codes identifying medical procedures and treatment dates may have been exposed. For a small number of people, Social Security numbers may have been compromised.