Lisa Schencker reports:
DuPage Medical Group is notifying 600,000 patients that their personal information may have been compromised during a July cyberattack.
DuPage Medical Group, which is the state’s largest independent physicians group, experienced a computer and phone outage that lasted nearly a week in mid-July. The group worked with cyber-forensic specialists to investigate the incident and found that the outage was caused by “unauthorized actors” who accessed its network between July 12 and July 13, according to a DuPage Medical Group news release.
Read more on Chicago Tribune
Related: DuPage Notification on Their Web Site
There has been no public attribution of this attack to any specific ransomware group or threat actors.