Northern California healthcare system Sutter Health has acknowledged that an unencrypted computer containing significant amounts of patient data was stolen from its offices.

"Sutter Health announced Nov. 16 that it first learned of the theft on Oct. 17, reported it to the Sacramento Police Department, and began an internal investigation into the theft," Infosecurity reports. "The laptop contained patient names, addresses, dates of birth, phone numbers, email addresses, medical record numbers, and health insurance plan providers on 3.3 million patients who used Sutter Physician Services, a provider of billing services for healthcare providers."

"The laptop contained additional information on 943,000 patients of Sutter Medical Foundation (SMF), including dates of service and medical diagnoses and procedures," the article states.

Go to "Stolen laptop exposes data on four million Sutter Health patients" to read the details.

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