Tech article

Lab testing giant Quest Diagnostics confirms patients’ personal and health data was compromised during breach

Publisher description: Quest is the latest in a series of healthcare technology companies that have been hacked in recent months.

TechCrunch | Oct 23, 2026 | Zack Whittaker

Automated excerpt

Medical lab testing giant Quest Diagnostics has confirmed a cyberattack and data breach affecting an as-yet unspecified amount of sensitive patient information stored in its systems, according to a legally required disclosure with U.S. regulators. The platform stores a large amount of patient health and medical records, as well as associated diagnostic and billing data. A series of cyberattacks and data breaches have sparked weeks of disruption and allowed the theft of millions of patient electronic health records and other medical information.

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