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Latest / Massachusetts / June 2026

MCBS, LLC

MCBS, LLC notified Massachusetts OCABR on Jun 26, 2026 of a data breach affecting 383 Massachusetts residents. Data exposed: Social Security number, Medical / health information.

Organization
MCBS, LLC
Source
Massachusetts OCABR · source record
Date reported
Jun 26, 2026
Date(s) of breach
Not stated
Residents affected
383 (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.

Information compromised, as listed

Organization type: Health Care. Breached: Social Security numbers, medical records.

Other filings by MCBS, LLC

OrganizationSourceStateReportedResidents affectedData exposed
MCBS LLC Texas AG TX Jun 30, 2026 13,302 Social Security numberMedical / health informationHealth insuranceDate of birth+2
MCBS, LLC California AG CA Jun 26, 2026 Not published Not stated
MCBS, LLC HHS OCR US Jun 26, 2026 1,261,464 Medical / health information
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 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.