Cytek Biosciences, Inc. data breach
Cytek Biosciences, Inc. filed a data breach notice with the New Hampshire Attorney General on December 22, 2025. This indicates a security incident involving personal information that is currently under investigation. Individuals who received a notification letter should carefully review it for details on how their data may be affected.
Docket sheet
- Company
- Cytek Biosciences, Inc.
- Venue
- New Hampshire Attorney General
- Filed
- December 22, 2025
- People affected
- Not stated
- Status
- Investigation Open
Where this breach stands
- 1
Breach occurred
The filing does not state when the incident happened.
- 2
Reported to the New Hampshire Attorney GeneralDecember 22, 2025
The company filed a breach notification with the state regulator.
- 3
Attorney reviewCurrent stage
Current status: Investigation Open. Our office is reviewing whether affected people may have claims.
- 4
Your case review
Got a letter about this breach? Submit it for a free, confidential review.
Clerk's notes
Cytek Biosciences, Inc., a life sciences and biotechnology company, submitted a data breach notification to the New Hampshire Attorney General on December 22, 2025. This official filing confirms that a security incident has occurred, potentially exposing personal information held by the company. The specific nature of the breach and the types of data involved are not detailed in the public record and remain under investigation.
If you received a data breach notification letter from Cytek Biosciences, it means your personal information was identified as potentially compromised in this security incident. These notifications are a regulatory requirement designed to inform affected individuals so they can take appropriate measures.
While the exact categories of data involved have not been specified, Cytek Biosciences handles various forms of personal information related to its employees, clinical researchers, and partners. Affected individuals should be mindful of the general risks associated with unauthorized access to their personal details.
It is important for recipients of the notification letter to read it thoroughly. The letter typically provides specific information relevant to your individual situation, including any protective steps recommended or services offered by Cytek Biosciences to help secure your data.
Consider monitoring your personal accounts and financial statements for any unusual activity as a precautionary measure. If you have any concerns about your exposure or wish to understand the implications of the notice you received, it may be beneficial to seek further advice.
For those who believe their rights may have been impacted by this incident, you can request a free case review. This process allows for an evaluation of your specific circumstances and potential next steps, without establishing an attorney-client relationship or guaranteeing any particular outcome.
If a notification letter about this breach reached you, see every New Hampshire data breach on file or browse all cases.
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Attorney advertising. A docket entry reflects a public regulator filing and our review status; it does not mean a lawsuit has been filed. Submitting a review request does not create an attorney-client relationship.