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States / California

California data breach notifications, March 2026

45 notices reported.

OrganizationSourceReportedResidents affectedData exposed
Advantage Media Services LLC California AG Mar 31, 2026 Not published In the letter (PDF)
Mercer Advisors Inc. California AG Mar 31, 2026 Not published Social Security numberPassport numberFinancial / bank accountDate of birth+4
Whitepages California AG Mar 31, 2026 Not published Financial / bank accountUsernames / passwordsEmail addressPostal address+1
illumifin Corporation California AG Mar 31, 2026 Not published Postal addressName
Advantage Gold California AG Mar 29, 2026 Not published Financial / bank accountPostal addressName
Oklahoma Tax Commission California AG Mar 27, 2026 Not published Social Security numberName
Eurail B.V. California AG Mar 27, 2026 Not published Passport numberName
California Online Public Schools California AG Mar 26, 2026 Not published Email addressPostal address
MXB Battery Operations LP California AG Mar 26, 2026 Not published In the letter (PDF)
Nephrology Associates Medical Group California AG Mar 26, 2026 Not published Medical / health informationEmail addressName
Alliance Industrial Refrigeration Services, Inc. California AG Mar 26, 2026 Not published Social Security numberName
Dubroff, Easley, & Lovell, LLP California AG Mar 25, 2026 Not published In the letter (PDF)
Cetera Financial Group California AG Mar 25, 2026 Not published Financial / bank accountEmail addressPostal addressName
Conduent Business Services, LLC California AG Mar 24, 2026 Not published Postal addressName
Coalesce, LLC dba Benefitelect California AG Mar 23, 2026 Not published Social Security numberDate of birthPostal addressName
Expert MRI California AG Mar 23, 2026 Not published Driver's license / state IDMedical / health informationDate of birthPostal address+1
The Shubert Organization, Inc. California AG Mar 20, 2026 Not published In the letter (PDF)
Stockton Cardiology Medical Group California AG Mar 20, 2026 Not published Financial / bank accountMedical / health informationUsernames / passwordsEmail address+1
Check City California AG Mar 19, 2026 Not published Social Security numberDate of birthUsernames / passwordsPhone number+2
Senior Operations LLC California AG Mar 19, 2026 Not published Social Security numberDriver's license / state IDPassport numberMedical / health information+3
Navia Benefit Solutions, Inc. California AG Mar 18, 2026 Not published Financial / bank accountName
Kaplan North America, LLC California AG Mar 17, 2026 Not published Social Security numberName
OpenLoop Health, Inc. California AG Mar 17, 2026 Not published Social Security numberFinancial / bank accountMedical / health information
Chapter 13 Trustee Office of Rod Danielson California AG Mar 16, 2026 Not published Social Security numberFinancial / bank accountMedical / health informationHealth insurance+6
Retail Merchandising Services California AG Mar 16, 2026 Not published Social Security numberDriver's license / state IDDate of birthEmail address+4
Wound Technology Network California AG Mar 16, 2026 Not published In the letter (PDF)
Marquis Software Solutions California AG Mar 16, 2026 Not published Postal addressName
OSI Systems, Inc. California AG Mar 11, 2026 Not published Postal addressName
SitusAMC Holdings Corporation California AG Mar 10, 2026 Not published Financial / bank accountDate of birthPostal addressName
Metropolitan Life Insurance Company California AG Mar 9, 2026 Not published Social Security numberName
Ericsson Inc California AG Mar 9, 2026 Not published Social Security numberPostal addressName
Automobile Club of Southern California California AG Mar 9, 2026 Not published Postal addressName
melvin mora inc California AG Mar 9, 2026 Not published In the letter (PDF)
EP Wealth Advisors, LLC California AG Mar 6, 2026 Not published Social Security numberDriver's license / state IDFinancial / bank accountDate of birth+3
Reisz Siderman Eisenberg, APC California AG Mar 6, 2026 Not published In the letter (PDF)
Fried, Frank, Harris, Shriver & Jacobson LLP California AG Mar 6, 2026 Not published Postal addressName
Insightin Health, Inc. California AG Mar 5, 2026 Not published In the letter (PDF)
Tieu Dental Corporation California AG Mar 5, 2026 Not published In the letter (PDF)
Northwest Medical Homes, LLC California AG Mar 5, 2026 Not published Medical / health informationPostal addressName
Service Lighting, Inc. California AG Mar 5, 2026 Not published Financial / bank accountName
Williams Accountancy Corporation California AG Mar 4, 2026 Not published Social Security numberFinancial / bank accountDate of birthName
California FAIR Plan Association California AG Mar 3, 2026 Not published Social Security numberPostal addressName
Children’s Council of San Francisco California AG Mar 3, 2026 Not published Social Security numberName
Valley Radiology Consultants Medical Group California AG Mar 2, 2026 Not published Medical / health information
Palo Verde Hospital California AG Mar 2, 2026 Not published Social Security numberFinancial / bank accountMedical / health informationHealth insurance+2

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