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California Data Breaches — Page 9
Browse data breaches affecting California residents in 2026. Stay informed about security incidents and protect your personal information.
Showing 25 breaches affecting California
Networking Technology, Inc. (RXNT)
Discovered Mar 1, 2026
A data breach at Networking Technology, Inc. (RXNT) in March 2026 affected over 70,000 individuals, primarily patients of healthcare providers. It is unclear if financial information was exposed.
You may be entitled to compensation
The Siskiyou Telephone
Discovered Feb 25, 2026
The Siskiyou Telephone, a telecommunications provider, was reportedly impacted by a data breach in February 2026, though official confirmation and details are currently unconfirmed.
CarGurus, Inc.
Discovered Feb 24, 2026
CarGurus, Inc. experienced a data breach in February 2026, reportedly compromising the data of millions of user accounts and corporate records.
DaVita Inc.
Discovered Feb 21, 2026
In 2025, DaVita Inc. experienced a ransomware data breach impacting over 2.6 million individuals after a cyberattack negatively affected its U.S. dialysis business operations.
Choice Hotels International, Inc.
Discovered Feb 19, 2026
Choice Hotels International, Inc. experienced a data breach in January 2026, which exposed personal information primarily of franchisees and applicants.
powersmiller.com
Discovered Feb 17, 2026
Powersmiller.com, the website for Powers Miller Attorneys At Law, was targeted in a ransomware attack by the Lynx group, discovered on February 17, 2026. The extent of the data breach, including affected individuals and specific data types, has not been detailed in publicly available sources.
Modoc Medical Center
Discovered Feb 16, 2026
Modoc Medical Center experienced a ransomware attack on February 16, 2026, claimed by the Worldleaks group, which reportedly involved sensitive medical data. The number of affected individuals remains unspecified.
Fishman, Larsen & Callister, P. C.
Discovered Feb 12, 2026
Fishman, Larsen & Callister, P.C. experienced a data breach in 2025 where personal information was accessed.
Mobexly Breached: 24 GB Data is For Sale
Discovered Feb 8, 2026
Mobexly, a U.S.-based mobile app platform provider, experienced a data breach in February 2026 where 24 GB of data was stolen and offered for sale.
You may be entitled to compensation
Anywhere Real Estate Inc.
Discovered Feb 6, 2026
Anywhere Real Estate Inc. experienced a data breach in late 2025 where personal information of nearly 17,500 individuals was exposed due to a zero-day vulnerability.
Salamander Resort & Spa
Discovered Feb 5, 2026
Salamander Resort & Spa, a luxury Virginia resort, experienced a data breach in early 2026 after being targeted by the Lynx ransomware group, leading to the exposure of guest and employee data.
You may be entitled to compensation
Edelman Financial Engines, LLC
Discovered Feb 4, 2026
Edelman Financial Engines, LLC experienced a data breach in January 2026, impacting over 5,000 individuals.
Alta Orthopaedics
Discovered Feb 3, 2026
Alta Orthopaedics experienced a data breach in early 2026 involving unauthorized access to its network, which was disclosed in May 2026.
You may be entitled to compensation
EP Wealth Advisors
Discovered Feb 2, 2026
EP Wealth Advisors experienced a data breach in February 2026, compromising sensitive client data. The full scope of affected individuals remains undetermined.
You may be entitled to compensation
Marin Cancer Care
Discovered Feb 1, 2026
Marin Cancer Care experienced a data breach in February 2026 impacting 501 individuals.
You may be entitled to compensation
IntelBrokerly Breached Washington DC DMV and IAAI
Discovered Feb 1, 2026
IntelBroker claimed responsibility for breaching the Washington DC DMV and IAAI in early 2026, obtaining source code and various data types. The breach involved data spanning from 2018 to 2024.
You may be entitled to compensation
Lusamerica Foods
Discovered Jan 31, 2026
Lusamerica Foods experienced a data breach in early 2026 involving unauthorized access to files.
You may be entitled to compensation
Fried, Frank, Harris, Shriver & Jacobson LLP
Discovered Jan 30, 2026
Fried, Frank, Harris, Shriver & Jacobson LLP experienced a data breach in late 2025 that led to the exposure of client data. Notifications to affected individuals began in January 2026.
CFD Investments, Inc.
Discovered Jan 28, 2026
CFD Investments, Inc. experienced a data breach in 2026 involving unauthorized access to an employee email account.
Wisner Baum LLP
Discovered Jan 23, 2026
Wisner Baum LLP experienced a data breach in 2026, which involved an external system breach. The breach affected individuals in at least two states.
You may be entitled to compensation
Xsolis, Inc.
Discovered Jan 20, 2026
Xsolis, Inc. experienced a data breach in 2026 linked to a targeted phishing attack, affecting over 1.3 million individuals.
You may be entitled to compensation
Check City
Discovered Jan 19, 2026
JC Resorts LLC experienced a data breach in 2026, compromising the personal information of approximately 5,942 individuals nationwide.
Avis Rent A Car System LLC
Discovered Jan 15, 2026
Avis Rent A Car System LLC experienced a data breach in early 2026, potentially affecting approximately 500,000 individuals.
You may be entitled to compensation
Nissan Investigates 910GBand Extortion
Discovered Jan 15, 2026
Nissan North America investigated a data breach in 2026 after a ransomware group claimed to have exfiltrated 910GB of data, leading to the exposure of personal and sensitive information for over 220,000 individuals in the US.
You may be entitled to compensation
Hightower Holding, LLC
Discovered Jan 8, 2026
Hightower Holding, LLC experienced a data breach in January 2026 affecting approximately 131,483 individuals.
You may be entitled to compensation
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