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Listed on a ransomware leak site

Cytek Biosciences

cytekbio.com

Cytek Biosciences was listed on the Cmdorganization and Rhysida leak site on Jan 25, 2026. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Cmdorganization, Rhysida
First listed
Jan 25, 2026
Claims recorded
2

2 Leak-Site Claims.

CmdorganizationConfirmed claim
Posted on the leak site
Jan 25, 2026
Collected by Brandefense
May 2, 2026
Data claimed
Not stated
Leak-site post text, written by the group
A biotechnology firm that develops and supplies advanced, cost-effective flow cytometry instruments and related services used worldwide by researchers and clinicians. Its compact systems and streamlined workflows enable high-throughput, single-cell analysis for applications such as cancer immunology, leukemia and lymphoma diagnosis, and transplant monitoring. Distinguished by offering high-end capabilities at lower cost, the company accelerates scientific discovery through technical innovation, exceptional customer support, and a commitment to ethical practices and community engagement…
RhysidaConfirmed claim
Posted on the leak site
Jan 25, 2026
Collected by Brandefense
Apr 3, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Cytek Biosciences Cytek Biosciences is a leading cell analysis solutions company founded in 1992 and headquartered in Fremont, California with global offices across North America, Europe, and Asia. Sold 0% All data was sold, stay with us, we will upload new Companies later More

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.