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Latest / Massachusetts / July 2026

DentaQuest LLC

DentaQuest LLC notified Massachusetts OCABR on Jul 16, 2026 of a data breach affecting 1,905,700 Massachusetts residents. Data exposed: Social Security number, Medical / health information.

All 7 filings by DentaQuest LLC, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
DentaQuest LLC
Source
Massachusetts OCABR · source record
Date reported
Jul 16, 2026
Date(s) of breach
Not stated
Residents affected
1,905,700 (Massachusetts residents)
Data exposed
Social Security number Medical / health information
Notice letter
Not available
First seen by BreachTally
2026-10-30 15:20 UTC

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

First seen by BreachTally at 15:20 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Information compromised, as listed

Organization type: Insurance Company. Breached: Social Security numbers, medical records.

Other filings by DentaQuest LLC

OrganizationSourceStateReportedResidents affectedData exposed
DentaQuest Vermont AG VT Sep 28, 2026 2 Medical / health information
DentaQuest, LLC Texas AG TX Jul 17, 2026 3,973,000 Social Security numberMedical / health informationHealth insuranceDate of birth+2
DentaQuest LLC Oregon DOJ OR Jul 16, 2026 15,000,000 Not stated
DentaQuest LLC California AG CA Jul 16, 2026 Not published In the letter (PDF)
DentaQuest, LLC HHS OCR US Jul 16, 2026 15,000,000 Medical / health information
DentaQuest LLC Iowa AG IA Jul 16, 2026 Not published Medical / health informationName

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