Quest Diagnostics reports patient data breach in lab ordering system

· Cybersecurity · United States

Quest Diagnostics, a major US clinical laboratory company, disclosed that patient records were exposed after a threat actor gained unauthorized access to its Quanum Lab Services Manager, a platform where certain clients can place test orders. The company reported the incident in a regulatory filing and warned of potential data theft. Quest says only "certain patient records" were affected, without detailing volumes or how many clients were involved. The disclosure places the company among a growing list of healthcare organizations confronting breaches of systems that handle sensitive medical data.

Why it matters：Clinical labs sit at the center of healthcare data flows, so breaches there expose patients and raise scrutiny of vendors holding medical records.

Key points

  • The affected system is Quanum Lab Services Manager, used to place test orders
  • The company disclosed the incident in a regulatory filing
  • Quest warned of potential theft of patient data

Sources (original reporting)

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