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United Health Centers
Data Breach

The Lyon Firm is actively involved in healthcare data breach lawsuits nationwide
Nationwide Success

Medical Data Privacy Lawsuits

Investigating California United Health Centers data breach claims

Thank you for considering The Lyon Firm. At this time, we are not accepting plaintiffs related to this specific consumer issue. However, if you would like to be contacted in the future, please complete the contact form. By completing the form you will be contacted if the Firm begins accepting new cases on this matter, and you will also be included in firm news alerts related to important consumer safety and privacy issues to help keep you informed about related issues.

The California healthcare provider, United Health Centers of San Joaquin Valley, has reported a ransomware attack that may impact thousands of former and current patients. United Health Centers operates over 20 community health centers in Fresno, Kings, and Tulare counties.

The Vice Society ransomware gang is thought to be responsible for the hack, and has been known to target healthcare entities in the past. The gang is known for exfiltrating data from IT systems prior to the use of ransomware to encrypt certain files. Personal data can then be published on its site to pressure victims into paying a ransom.

The United Health Centers cyberattack has yet to appear on the HHS’ Office for Civil Rights Breach Portal or the website of the California Attorney General and United Health Centers has not published any official data breach notification on its website. Under HIPAA regulations, entities have 60 days to issue data breach notifications.

Some of the United Health Centers data already allegedly leaked contains patients’ protected health information (PHI) as well as names, dates of birth, insurance information, dates of service, Social Security numbers, diagnosis information, and other types of personal data.

The Lyon Firm is investigating the United Health Centers data breach and is actively involved in numerous data privacy cases and has experience filing data security claims on behalf of plaintiffs nationwide.


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Joseph Lyon has 17 years of experience representing individuals in complex litigation matters. He has represented individuals in every state against many of the largest companies in the world.

The Firm focuses on single-event civil cases and class actions involving corporate neglect & fraud, toxic exposure, product defects & recalls, medical malpractice, and invasion of privacy.


The Firm offers contingency fees, advancing all costs of the litigation, and accepting the full financial risk, allowing our clients full access to the legal system while reducing the financial stress while they focus on their healthcare and financial needs.