GoKawiilQuest Diagnostics confirms cyberattack exposed patient data via Quanum platform
Quest Diagnostics disclosed in an SEC 8-K filing that hackers breached its Quanum lab testing system on Wednesday, gaining unauthorized access to certain patient records. The company has notified law enforcement and is investigating but has not disclosed how many patients were affected or when the breach began.
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The incident adds Quest to a growing list of healthcare and medtech companies—including Stryker, Boston Scientific, CareCloud, Craneware and McKesson—hit by cyberattacks this year, suggesting the sector remains a prime target for financially motivated hackers seeking sensitive data to ransom. Because Quanum handles billing and diagnostic data across many provider networks, the breach could expose a wide swath of patients whose information was never directly entrusted to Quest.
- Quest Diagnostics confirmed a breach of its Quanum lab testing platform affecting patient records.
- The company filed an SEC 8-K disclosure and notified law enforcement, but scope and timing remain unclear.
- The attack follows a string of 2024 healthcare sector breaches at Stryker, Boston Scientific, CareCloud, Craneware and McKesson.
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Published there as: “Lab testing giant Quest Diagnostics confirms patients’ personal and health data was compromised during breach”
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