Ransomware victim disclosure
← All victimsHalcyon Technologies
Claimed by sinobi · listed 3 months ago
Status timeline
- Listed
Feb 12, 2026
- Data leaked
At a glance
- Group
- sinobi
- Status
- Data leaked
- Country
- United States
- Sector
- Not Found
- Listed on leak site
- Feb 12, 2026
About the victim
AI dossier — public-source company profileHalcyon Technologies is a US-based cybersecurity company that develops an adaptive security platform specifically designed to prevent ransomware attacks. The platform combines multiple proprietary prevention engines with AI models focused on stopping ransomware, and is built by offensive security professionals. The company markets itself as providing the industry's first dedicated ransomware-resilience solution.
- Industry
- Cybersecurity Software & Services
- Employees
- 51-200
- Founded
- 2021
Attack summary
Severity: high — The disclosure status is 'data_published,' confirming exfiltration and public release of data. The victim is a cybersecurity company whose proprietary anti-ransomware technology, internal research, and customer data could be highly sensitive and damaging if exposed, elevating severity beyond medium even without detailed data inventory.The ransomware group 'sinobi' claims to have attacked Halcyon Technologies and has reached the data_published disclosure stage, indicating data has been exfiltrated and published. The specific data types and volume are not detailed in the truncated leak post.
Data the group says was taken
AI dossier — extracted from the leak post- Internal company data
- Proprietary source code or platform details
- Business records
What the group claims
Halcyon is the industrys first dedicated, adaptive security platform that combines multiple proprietary advanced prevention engines along with AI models focused specifically on stopping ransomware. Halcyon is built by offensive security experts to stop attackers.
Sources
Source
Indexed 3 months agoThis page surfaces a public ransomware disclosure indexed by Darkfield. Original posts come from the operator's own leak site; we cross-check against ransomware.live, RansomLook and RansomWatch where applicable. Share this URL freely.
