Quest Diagnostics confirms cyberattack compromised patient data in systems breach
Lab testing giant Quest Diagnostics confirmed a cyberattack compromised sensitive patient information stored in its systems on Wednesday.

Company files disclosure with regulators
Quest Diagnostics filed an 8-K form with the U.S. Securities and Exchange Commission regarding the incident. The company stated it learned of the attack on Wednesday targeting one of its lab testing systems.
Specific platform under unauthorized access
The breach affected Quanum, a platform used by doctors offices and hospitals to request tests and handle billing. Unauthorized access included certain patient records held within the system that stores health and medical data.
Investigation launched with law enforcement
Quest Diagnostics notified law enforcement agencies and is currently investigating the scope of the cyberattack. This incident represents the latest major cyber event to affect the healthcare industry this year.
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