bleepingcomputer.com· Oct 23, 2026· by Bill Toulas

Quest Diagnostics confirms data breach exposed patient records

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American clinical laboratory company Quest Diagnostics disclosed that patient records have been exposed after a threat actor gained unauthorized access to its Quanum LSM system. [...]
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#Security#Healthcare