Quest Diagnostics suspends Quanum LSM after unauthorized access
Original title: Quest Diagnostics Hacked – Attackers Accessed the System to Order Tests and View Results
Quest found the intrusion on October 21 and confirmed patient information was involved, without stating how many people.
Quest Diagnostics said it discovered unauthorized access to Quanum Lab Services Manager on October 21 and suspended the platform. Healthcare clients use it to order laboratory tests and view results. Quest confirmed patient health or identity information was involved but has not said how many patients or which fields were affected. Core operations and other electronic ordering interfaces continued, and federal law enforcement was notified.
Unconfirmed: Investigators have not determined which patient information was affected or how many patients were involved.
- Quest said the incident did not materially disrupt patient service.
- Direct laboratory information system and electronic medical record ordering were unaffected.
- Outside experts are investigating scope and corrective steps.
- No attacker or entry method has been identified in public reporting.
Impact: Unauthorized access to patient health and identity information
| Product | Affected |
|---|---|
| Quest Diagnostics Quanum Lab Services Manager | — |
- 1.Continue orders through unaffected laboratory information system or electronic medical record connections.
- Products
- Quanum Lab Services Manager
- Victims
- Quest Diagnostics
From the original article
2 min read at cybersecuritynews.com
Quest Diagnostics has disclosed a cyberattack involving unauthorized access to its Quanum LSM system, which healthcare clients use to order laboratory tests and view results. The company discovered the incident on October 21, 2026, and suspended access to the platform while investigating whether patient records were exposed. The affected service, Quanum Lab Services Manager, supports […]
By Guru Baran · cybersecuritynews.com
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