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Quest confirms unauthorized access to lab-ordering patient records

Original title: Patient records exposed in Quest breach: What you need to know

Malwarebytes Labsby @MetallicaMVP ()2 min read1
Part of a story covered by 2 sourcesQuest says unauthorized access hit Quanum lab records platformMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

Quest learned on October 21 that its Quanum Lab Services Manager was accessed and has not yet counted affected patients.

Quest Diagnostics said an unauthorized party accessed Quanum Lab Services Manager, a platform providers use to order laboratory tests and view results. The company learned of the access on October 21, paused the platform, and says core operations remain running. It confirms personal information, health information, and patient records were affected, but has not listed specific fields or a patient count. Quest plans to notify affected patients, providers, and health plans after the investigation.

Unconfirmed: Quest has not said how many patients were affected or which specific data fields were accessed.

Key facts
  • Quest discovered the Quanum Lab Services Manager access on October 21.
  • Access to the ordering and results platform was paused during the investigation.
  • Quest says health information and personally identifiable information were involved.
  • Notification letters are expected to include credit and identity monitoring.
  • No patient total or complete list of exposed data fields has been published.
Security assessment · AI, from the article

Impact: Unauthorized access to patient records and personal information

ProductAffected
Quest Diagnostics Quanum Lab Services Manager—
What to do
  1. 1.Wait for Quest’s notification letter and follow its monitoring instructions.
  2. 2.Verify unexpected breach messages on Quest’s official site rather than via links.
  3. 3.Review medical bills, insurance statements, and credit reports for unfamiliar activity.
Analyze this story with Vani AIImpact, who is affected and what defenders should do, in a new chat

From the original article

2 min read at malwarebytes.com

Quest Diagnostics says a breach affected personal information and patient records. Here’s what patients need to know and what to do now.

Malwarebytes Labs

By @MetallicaMVP · malwarebytes.com

Read the full article at Malwarebytes Labs

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.