December 21, 2023
Several Valley Health System facilities, including Centennial Hills, Desert Springs, Spring Valley, Summerlin and Valley hospitals, are providing notice of an incident experienced by a vendor that involved our patients' protected health information ("PHI"). Letters were mailed to potentially affected individuals beginning on December 12, 2023.
ESO provides software and other services relating to emergency medical services. On October 27, 2023, ESO notified our business associate it detected a ransomware incident. ESO detected the incident on or about September 28, 2023. According to ESO, there is no evidence to date to suggest that the PHI was misused.
What Information Was Involved
The affected data varied by individual, but it may have included personal information such as names, phone numbers, addresses and some sensitive personal or health information.
What We Are Doing
Once our business associate learned of the incident, it launched an investigation into the matter and requested that ESO provide notices to affected individuals and relevant government agencies on behalf of our organization. ESO has indicated that it has secured the deletion of all affected data and has taken all reasonable steps to prevent the data from being further published or distributed.
What Affected Individuals Can Do
ESO recommends that individuals remain vigilant by regularly monitoring account statements and credit history for any signs of unauthorized transactions or activity. Individuals can learn more about what they can do by calling the number below.
You can learn more at eso.com/notice-of-cybersecurity-incident. ESO has indicated that representatives are available to assist impacted patients with questions regarding this incident, between the hours of 9:00 a.m. to 6:30 p.m. Eastern Time, Monday through Friday, excluding holidays. Please call ESO’s helpline at 866-347-8525 with any questions you may have. If you did not receive a letter, but would like to know if you were affected, please contact ESO’s helpline.