Halcyon
San Diego, California, United States · Artificial Intelligence, Cyber Security, Software · 460 employees
Halcyon, the leading anti-ransomware solution provider, is purpose-built to defeat ransomware attacks. Our technology takes an end-to-end approach to proactively disrupt threats at every stage of the attack lifecycle, from pre-execution to data exfiltration and encryption. With a 24/7 expert team that does the heavy lifting for you, and a robust ransomware warranty, Halcyon eliminates the need fo
Funding history
- Series series a — $21.0M — Mar 2026
- Funding Round — $125.3M — Jan 2025
- Series series c — $100.0M — Nov 2024
- Funding Round — $40.0M — Dec 2023
- Funding Round — $40.0M — Dec 2023
Recent signals
- Mar 16, 2026: Raised $21.0M in Series series a
- Mar 13, 2026: Launched Halcyon launched TrueTax™, the first platform offering dual source tax data integration through Freddie Mac's AIM to automate self-employed income assessment.
- Jan 13, 2026: Halcyon Appoints Ryan Schultz as Chief Customer Officer
- Sep 10, 2025: Halcyon Appoints Tony Spinelli as Field Chief Information Security Officer
- Jan 21, 2025: Halcyon Launches U.K. Partner Program with Distology to Defeat Ransomware
- Jan 06, 2025: Raised $125.3M
- Nov 25, 2024: Launched Halcyon Launches Advanced Cybersecurity Software to Combat Ransomware Threats with New $100M Funding.
- Nov 25, 2024: Raised $100.0M in Series series c
See plans & pricing → Track Halcyon’s funding, hiring, and signals — with verified contacts — on Fundz.