DisclosureLens
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QUEST DIAGNOSTICS INCORPORATED

bd_26468cae2637f1f0 · schema v1 · pii pii-v2

Severity

Low

Discovered

Aug 4, 2023

Filed

Mar 1, 2024

To disclose

Affected

Withheld by the regulator

Confidence

95%
Full breach record for QUEST DIAGNOSTICS INCORPORATED92 incidents on file

QUEST DIAGNOSTICS filed a data-breach notice with the Illinois Attorney General in March 2024 (case 24-03-025). The register records the breach as discovered on August 4, 2023. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

Incident timeline

Aug 4, 2023

Discovered

Mar 1, 2024

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.