Peoria, Ailing.-based OSF HealthCare started notifying sufferers Oct. 1 that their protected well being data was uncovered for greater than six weeks throughout an assault on its IT programs earlier this 12 months.
OSF HealthCare experienced a pc programs outage from April 23-25, which despatched the well being system into downtime procedures and protocols for 2 days, the Journal Star reported.
In an Oct. 1 discover on its web site, OSF HealthCare stated the outage was the results of a knowledge safety incident. After investigating the incident, the well being system found that an unauthorized social gathering gained entry to its programs from March 7 to April 23. Consequently, the hacker was capable of entry sure recordsdata belonging to some sufferers at OSF Little Firm of Mary and OSF Saint Paul.
Affected person data uncovered by the incident included names, birthdates, Social Safety numbers, therapy particulars, prescription particulars and medical insurance particulars. Monetary data belonging to a “smaller subset of sufferers” additionally was uncovered, in accordance with the discover.
The well being system is providing free credit score and id monitoring providers to sufferers whose Social Safety numbers or driver’s license numbers have been uncovered. OSF HealthCare additionally stated it has applied new safeguards and technical safety measures to guard its programs.
OSF HealthCare contains 14 hospitals and quite a few services throughout Illinois and Michigan. In the course of the April outage, all hospitals and services remained open and accepted new sufferers.