# Quest Diagnostics confirms patient information accessed in cyberattack, systems temporarily shut down

> **Open Intelligence Dossier** · First detected: 2026-10-23 07:40 UTC · Category: Business

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*Canonical Source: https://pulse.byoaiapps.com/trend/2026-10-23/quest-diagnostics-confirms-patient-information-accessed-in-cyberattack-systems*