Ciox Health data breach affects AdventHealth, Northwestern and 30 other vendors


Health information management company Ciox Health notified 32 providers of an email security incident affecting their patients’ protected health information.

The company said an unauthorized person accessed a Ciox employee’s email account between June 24, 2021 and July 2, 2021, and may have downloaded emails and attachments on the account.

Ciox said certain emails and attachments from the employee’s email account contained patient information related to billing inquiries and other customer service requests. The information involved included patient names, provider names, birth dates and service dates. Ciox said patients’ social security numbers, driver’s license numbers, health insurance information, and clinical and treatment information were also implicated “in very limited instances.”

Ciox notified its healthcare provider customers who were impacted by the data breach between November 23 and December 30. It also worked with providers to notify patients whose affected information was identified during Ciox’s investigation.

Here is a list of the 32 providers affected by the data breach:

  1. AdventHealth – Orlando, Florida
  2. Orthopedic Specialists of Alabama (Prattville)
  3. Baptist Memorial Health Care (Memphis, TN)
  4. Butler (Pa.) Health System
  5. Cameron Memorial Community Hospital (Angola, Ind.)
  6. Centra Health (Lynchburg, Virginia)
  7. Atlanta Children’s Health Care
  8. Coastal Family Health Center (Biloxi, Mississippi)
  9. Copley Hospital (Morrisville, Vermont)
  10. DeSoto Memorial Hospital Health System (Arcadia, Florida)
  11. Evergreen Health (Kirkland, Washington)
  12. Hoag Health System (Newport Beach, CA)
  13. Sisters Hospital Health System (Springfield, Illinois)
  14. Huntsville Hospital Health System (Alabama)
  15. Indiana University Health (Indianapolis)
  16. McLeod Health (Florence, SC)
  17. MD Partners (Grass Valley, CA)
  18. Niagara Falls Memorial Medical Center Health System (NY)
  19. Northern Light Mercy Hospital (Portland, Maine)
  20. Northwest Medicine (Chicago)
  21. Ohio State University Health System (Columbus)
  22. OrthoConnecticut (Danbury)
  23. Prisma Health (Greenville,.C.)
  24. Prisma Health – Palmetto Health (Greenville, SC)
  25. Sarasota Memorial Health Care System (Florida)
  26. Trinity Health – Holy Cross Hospital (Fort Lauderdale, Florida)
  27. Trinity Health – Mount Carmel Health System (Columbus, Ohio)
  28. Trinity Health – Saint Alphonsus Health System (Boise, Idaho)
  29. Trinity Health – St. Francis Medical Center (Trenton, NJ)
  30. Trinity Health – St. Joseph Mercy Health System (Ann Arbor, Michigan)
  31. Union Hospital Health System (Terre Haute, Ind.)
  32. Women’s Health Specialist (Westland, Michigan)

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