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Latest / Massachusetts / February 2026

Quantum Health, Inc.

Quantum Health, Inc. notified Massachusetts OCABR on Feb 18, 2026 of a data breach affecting 653 Massachusetts residents. Data exposed: Social Security number.

Organization
Quantum Health, Inc.
Source
Massachusetts OCABR · source record
Date reported
Feb 18, 2026
Date(s) of breach
Not stated
Residents affected
653 (Massachusetts residents)
Data exposed
Social Security number
Notice letter
Not available
First seen by BreachTally
2026-10-30 19:59 UTC

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

Information compromised, as listed

Organization type: Other. Breached: Social Security numbers.

Other filings by Quantum Health, Inc.

OrganizationSourceStateReportedResidents affectedData exposed
Quantum Health, Inc. Texas AG TX Oct 28, 2026 273,111 Social Security numberMedical / health informationHealth insuranceName
Quantum Health, Inc. California AG CA Aug 14, 2026 Not published Not stated
Quantum Health, Inc. Washington AG WA Aug 14, 2026 5,909 Social Security numberMedical / health informationHealth insuranceDate of birth+1
Quantum Health, Inc. Massachusetts OCABR MA Jul 30, 2026 1 Social Security numberMedical / health information
Quantum Health HHS OCR US Jul 29, 2026 2,104 Medical / health information
First seen by BreachTally at 19:59 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.