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California Data Breaches — Page 8
Browse data breaches affecting California residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 25 breaches affecting California
State of Oklahoma
Discovered Mar 27, 2026
The State of Oklahoma experienced a data breach in March 2026 involving unauthorized access to W-2 and 1099 tax files within the OkTAP system.
You may be entitled to compensation
Virta Medical PC
Discovered Mar 24, 2026
Virta Medical P.C. experienced a data breach in 2026 where personal and medical information may have been exposed.
You may be entitled to compensation
HackerOne Inc.
Discovered Mar 23, 2026
HackerOne Inc. experienced an external system breach in late 2025 and early 2026, disclosed in March 2026, affecting 287 individuals, including 1 Maine resident.
Legacy Health LLC
Discovered Mar 20, 2026
Legacy Health LLC experienced a data breach in March 2026 after a ransomware attack by the Worldleaks group.
The Shubert Organization, Inc.
Discovered Mar 20, 2026
The Shubert Organization, Inc. had a data breach, according to the California Attorney General, but details regarding the incident are not publicly available.
Navia Benefit Solutions, Inc.
Discovered Mar 18, 2026
Navia Benefit Solutions, Inc. experienced a data breach in late 2025/early 2026, impacting approximately 2.7 million individuals.
You may be entitled to compensation
**ste* **vi**n***t** **b**a****
Discovered Mar 17, 2026
Stevent Bail Bonds experienced a data breach in late 2025, which was publicly disclosed in early 2026, impacting over a million individuals.
You may be entitled to compensation
AssuranceAmerica Managing General Agency, LLC
Discovered Mar 16, 2026
AssuranceAmerica Managing General Agency, LLC experienced a data breach around March 2026, which exposed the personal information of over 611,046 individuals, with potentially hundreds of thousands more affected nationally. The breach was confirmed by regulatory filings in California and South Carolina.
You may be entitled to compensation
nChroma Bio
Discovered Mar 15, 2026
nChroma Bio, a biotechnology company, was reportedly impacted by a ransomware data breach in March 2026, according to claims by the Coinbasecartel group. No official confirmation or further public disclosures have been made.
Financial Brokerage
Discovered Mar 12, 2026
EP Wealth Advisors, LLC, a financial brokerage, experienced a data breach discovered in February 2026, exposing sensitive client data.
You may be entitled to compensation
Palomar Health Medical Group
Discovered Mar 11, 2026
Palomar Health Medical Group experienced a data breach in 2026 involving patient data stored by a third-party vendor.
You may be entitled to compensation
Alta Orthopaedics Medical Group, Inc.
Discovered Mar 10, 2026
Alta Orthopaedics Medical Group, Inc. confirmed a data breach in 2026 that may have impacted patient information.
Eyemart Express
Discovered Mar 10, 2026
Eyemart Express experienced a ransomware data breach in March 2026, impacting individuals across 42 states.
You may be entitled to compensation
altaortho.com
Discovered Mar 9, 2026
Alta Orthopaedics experienced a data breach in March 2026, reportedly due to a ransomware attack by the Incransom group.
Fried, Frank, Harris, Shriver & Jacobson LLP (updated)
Discovered Mar 6, 2026
Fried, Frank, Harris, Shriver & Jacobson LLP experienced a data security incident in October 2025, confirmed by state regulatory filings, impacting individuals nationwide.
You may be entitled to compensation
Service Lighting, Inc.
Discovered Mar 5, 2026
Service Lighting, Inc. experienced a data breach in 2026 affecting approximately 25,736 individuals, primarily involving payment card information.
TriZetto Provider Solutions
Discovered Mar 5, 2026
TriZetto Provider Solutions experienced a data breach in late 2025 that was publicly reported in early 2026, impacting healthcare patients nationwide.
You may be entitled to compensation
Tenable Confirmsin Widespread Salesloft Supply-Chain
Discovered Mar 5, 2026
Tenable, a cybersecurity company, confirmed a data breach in March 2026 as part of a widespread supply-chain attack involving Salesloft.
You may be entitled to compensation
lawofficesoferichershler.com
Discovered Mar 4, 2026
The Law Offices of Eric Hershler, APC, a US-based law firm, reportedly experienced a data breach in March 2026, according to a ransomware claim by the Incransom group. No official confirmation or details about data exfiltration are available.
napolinlaw.com
Discovered Mar 4, 2026
Napolin Law Firm experienced a data breach in March 2026, reportedly due to a ransomware attack by the Incransom group.
Napolin Law Firm
Discovered Mar 4, 2026
Napolin Law Firm experienced a reported data breach in March 2026, claimed by the Incransom ransomware group.
K**I* I***I*A *A
Discovered Mar 4, 2026
Kaiser Permanente, a major U.S. healthcare provider, experienced a data breach in early 2026, leading to the exposure of protected health information and personal identifiers for approximately 13.4 million individuals.
You may be entitled to compensation
Hersher Law
Discovered Mar 3, 2026
Hersher Law, a personal injury law firm, experienced a data breach in March 2026 due to a ransomware attack by the Incransom group.
Children’s Council of San Francisco
Discovered Mar 3, 2026
The Children's Council of San Francisco experienced a data breach in August 2025, affecting over 12,000 individuals.
You may be entitled to compensation
TABB Inc.
Discovered Mar 2, 2026
TABB Inc., a New Jersey-based employment screening company, experienced a data breach discovered in August 2024 that resulted in the inadvertent disclosure of personal information.
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