SECURITYQUIET
2 hours ago · Global
Quest Diagnostics confirms data breach exposed patient records
SIGNALSMONITORSECURITY
What's happening
SignalsMonitor is following this as a security story. BleepingComputer is the outlet attached so far. The reports are tied to Global. The first report grouped here was at 23 Oct 2026, 16:40 UTC. The headline in use is “Quest Diagnostics confirms data breach exposed patient records”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
American clinical laboratory company Quest Diagnostics disclosed that patient records have been exposed after a threat actor gained unauthorized access to its Quanum LSM system. [...
BleepingComputerRead at BleepingComputer
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by BleepingComputer
Quest Diagnostics confirms data breach exposed patient records
Reported by 1 outlet
- BleepingComputer
- BleepingComputerQuest Diagnostics confirms data breach exposed patient records