
Halcyon is a cybersecurity company building products that stop ransomware from impacting enterprise customers. The Halcyon Anti-Ransomware and Cyber Resilience Platform offers layered ransomware protection that combines pre-execution detection, behavioral modeling, deception techniques and, if all else fails, resiliency, recovery and isolation of impacted nodes. To learn more and get a demo, contact us today.

Halcyon is a cybersecurity company building products that stop ransomware from impacting enterprise customers. The Halcyon Anti-Ransomware and Cyber Resilience Platform offers layered ransomware protection that combines pre-execution detection, behavioral modeling, deception techniques and, if all else fails, resiliency, recovery and isolation of impacted nodes. To learn more and get a demo, contact us today.
Founded: 2021
Headquarters: San Diego, CA (remote-first)
Sector: Anti-ransomware / Cybersecurity
Latest disclosed valuation: $1 billion (Series C)
Total known raise (select rounds): $184M reported across Series A, B, and C (plus reported $6M debt in Series A)
Ransomware prevention, detection, data-exfiltration protection, and automated recovery for enterprises
2021
Computer and Network Security
$44M equity + $6M debt
Series A included participation from Corner Ventures and others
$40M (tranche)
Brought total raised to $84M
$100M
Reported valuation of ~$1 billion
“Participation from strategic and growth investors including Evolution Equity Partners, Bain Capital Ventures, SYN Ventures, Cisco Investments, and others”