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Latest / California / December 2014

Quest Diagnostics

Quest Diagnostics notified California AG on Dec 19, 2014 of a data breach, which occurred on Nov 17, 2014.

Organization
Quest Diagnostics
Source
California AG · source record
Date reported
Dec 19, 2014
Date(s) of breach
Monday, November 17, 2014
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Sample notice (PDF)
First seen by BreachTally
2026-10-30 16:23 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

Other filings by Quest Diagnostics

OrganizationSourceStateReportedResidents affectedData exposed
Quest Diagnostics California AG CA Nov 16, 2021 Not published Social Security numberEmail addressPostal addressName
Quest Diagnostics California AG CA Dec 12, 2016 Not published Social Security numberFinancial / bank accountMedical / health informationDate of birth+3
First seen by BreachTally at 16:23 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the data types and the letter. Start a 14-day free trial.

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.