Quest Diagnostics: Medical info of 11.9M compromised in breach

Healthcare IT News: A massive data breach at Quest Diagnostics has exposed the medical and financial information of as many as 11.9 million patients, according to the laboratory giant.

Quest Diagnostics says that one of its outsourced vendors, American Medical Collection Agency, discovered an unauthorized user had gained access to an AMCA system that had was connected data from companies including Quest.

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