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Cytek Biosciences Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Cytek Biosciences, Inc. data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Cytek Biosciences, Inc.
Cytek Biosciences Inc. is a biotechnology company based in Fremont, California, with a workforce of over 370 employees according to LinkedIn. The company is known for designing and manufacturing advanced flow cytometry instruments, which are used by researchers and clinicians worldwide to analyze cells for biomedical and therapeutic purposes.
Their product portfolio includes the Cytek Aurora series, Northern Lights, and Orion flow cytometers, as well as legacy Amnis systems. Cytek also offers reagents, consumables, and software solutions to support research in fields such as immuno-oncology, infectious diseases, drug discovery, and genomics. The company emphasizes providing comprehensive customer support, training, and educational resources to its clients.
Cytek maintains a global presence with branch offices and distribution channels serving a wide range of scientific and clinical research communities. The company has stated its commitment to ethical standards, transparency, and supporting scientific discovery.
What Happened?
In December 2025, Cytek Biosciences Inc. disclosed a data breach that may have impacted the personal information of certain individuals. The incident was reported to the Massachusetts Attorney General's office on Dec. 22, 2025. According to the official notice, the breach affected at least eight people in Massachusetts, with additional individuals potentially impacted in other states.
Information Exposed:
- Name
- Contact information (postal address, email address, phone number)
- Date of birth
- Social Security number
- Driver’s license number
- Government-issued ID number
- Citizenship status
- Signature
- Health and medical information
- Financial account and compensation information
- Cytek employee account username and password
Your Rights and Next Steps
If you received a notice from Cytek Biosciences about this data breach, it is important to understand your options. Here are recommended steps to take:
- Review the letter from Cytek carefully to confirm what information was exposed.
- Enroll in the free 24-month Experian IdentityWorks credit monitoring and identity protection service offered by Cytek. This service can help detect misuse of your personal information and provide support if you become a victim of identity theft.
- Remain vigilant by regularly checking your account statements and credit reports for any suspicious activity.
- Consider placing a security freeze or fraud alert on your credit file to prevent unauthorized access.
- Report any suspected identity theft to law enforcement, your state attorney general, and the Federal Trade Commission.
Lawyers are ready to help individuals who may have been affected by this breach. You have the right to seek compensation if your information was compromised, especially if you experience financial loss, identity theft, or emotional distress as a result.
You May Be Entitled to Compensation
If you were notified that your information was involved in the Cytek Biosciences data breach, you may be eligible to join a class action lawsuit and pursue compensation. Lawyers are investigating claims on behalf of affected individuals and can guide you through the process.
To find out if you qualify and to take the next step in protecting your rights, complete the below form to join the lawsuit investigation.
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