Latest / California / June 2026

MCBS, LLC

MCBS, LLC notified California AG on Jun 26, 2026 of a data breach, which occurred between Sep 22, 2025 and Sep 26, 2025.

Organization
MCBS, LLC
Source
California AG · source record
Date reported
Jun 26, 2026
Date(s) of breach
09/22/2025, 09/26/2025
Residents affected
Not published by this source
Data exposed
Not stated in the source listing
Notice letter
Not available
First seen by BreachTally
2026-10-30 15:27 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 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 Massachusetts OCABR MA Jun 26, 2026 383 Social Security numberMedical / health information
MCBS, LLC HHS OCR US Jun 26, 2026 1,261,464 Medical / health information
First seen by BreachTally at 15:27 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.