Cytek Biosciences Reports Data Breach to New Hampshire AG in 2025

Cytek Biosciences, Inc., a company specializing in cell analysis solutions for the life sciences and biotechnology sector, formally reported a data breach to the New Hampshire Attorney General on December 22, 2025. This notification indicates that personal information handled by the company was potentially compromised in a security incident.

The public filing does not specify the type of security incident that occurred, the exact categories of personal information involved, or the number of individuals affected. Therefore, the scope of this exposure for any particular individual can only be understood through direct communication from Cytek Biosciences.

Individuals who received a data breach notification letter from Cytek Biosciences, Inc. should carefully examine its contents. This letter is the primary source of detailed information regarding which specific pieces of your data may have been involved and any protective services, such as credit monitoring, offered by the company.

It is advisable for anyone potentially affected to remain vigilant for unusual activity on their accounts and to consider general protective measures. These commonly include monitoring financial statements and credit reports, and placing fraud alerts or security freezes on credit files to prevent unauthorized access to new accounts.