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44 disclosed this week · 26,355 on record

Quest Diagnostics

Disclosed Oct 25, 20241,062 affectedConfirmed

Official notice

The covered entity (CE), Quest Diagnostics, reported that an employee misconfigured a website that allowed the protected health information (PHI) of 1,062 individuals to become viewable by others. The PHI involved included names, addresses, health insurance information, and treatment information. The CE notified HHS and the affected individuals. In response to the breach, the CE implemented additional administrative, technical, and security safeguards. Staff were also provided additional cybersecurity training.

What is known

People affected1,062 (as reported by the organization)
DisclosedOct 25, 2024
HappenedAug 8, 2024
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at Quest Diagnostics

History of this record
attack2026-09-25
unknown to insiderby backfillSource
data_types2026-09-25
[] to ["names","health"]by backfillSource
summary2026-09-25
empty to The covered entity (CE), Quest Diagnostics, reported that an employee misconfigured a website that allowed the protected health information (PHI) of 1,062 individuals to become viewable by others. The PHI involved included names, addresses,by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Indiana AG), confirmed by Indiana AG. Record counts are as reported. Not legal advice.

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