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CYTEK BIOSCIENCES, INC.
bd_1553fa181e3ff4fd · schema v1 · pii pii-v1
Full breach record for CYTEK BIOSCIENCES, INC. →Cytek Biosciences Inc reported a data breach to the Indiana Attorney General. The breach occurred on 2025-11-01 and was reported on 2025-12-22. 2 Indiana residents were affected. 331 individuals affected in total.
Leak gap clock⏱ Leak >30d7 weeks discovery → filing
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
This filing is one of 6 about the same incident.View merged incident
A leak claim by rhysida about this victim predates this filing by 51 days.View originating leak claim
Linked disclosures
Why this link?Ransomware claims (3)
- bd_eb75b2e7b9fce680Leak Siterhysidafiled 2026-01-25(35d gap)Verified by operator
- bd_c1046e1115ba4f23Leak Sitecmdorganizationfiled 2026-01-25(34d gap)Verified
- bd_b141b6898f0871edLeak Siterhysidafiled 2025-11-01(51d gap)Verified
Regulatory filings (2) · sorted by filing gap
- bd_1ee03444beb45543Maine State AGfiled 2025-12-22Verified by operator
- bd_f10136bccf81d097New Hampshire State AGfiled 2025-12-22Verified
Source provenance
- Source URL
- https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Dec 22, 2025
- Raw hash
- dc0d572a365cda853acc4806c012461d8e7af41d19af87c004cfdaff5be8d385
Reporting entity
- Name
- CYTEK BIOSCIENCES, INC.norm: cytek biosciences
- Domain
- cytekbio.com
Victim entity
- Name
- CYTEK BIOSCIENCES, INC.norm: cytek biosciences
- Domain
- cytekbio.com
Incident
- Discovered
- —
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- 2
- Data types
- —
- Attack vector
- Unknown
- Threat actor
- External
Compliance
- Time to disclose
- 7 weeks(51 days from discovery to filing)
- Compliance flags
- Leak >30d
- Discovery-date grounding
- no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.