// UNCLASSIFIED // CLEARED FOR PUBLIC RELEASE //
FILE BRC-newsDTG 0600Z
ColdRecon / Breach Radar / Quest Diagnostics
Breach Record

Quest Diagnostics

DISCLOSED 2026-10-23 · UNKNOWN

Quest Diagnostics has been hit by a cyber breach, with patient records likely accessed. The company has previously experienced breaches in 2016 and 2019. No further details about the current breach are provided.

The record

What we know

Disclosed
2026-10-23
Sector
Healthcare
Country
USA
Sources

Cited reporting

This page is the permanent ColdRecon entry for the Quest Diagnostics disclosure. It updates if new public reporting emerges. All tracked breaches →

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