About
Halcyon is a cybersecurity company founded in 2021, specializing in advanced endpoint protection with a focus on ransomware prevention and detection. Based in San Diego, California, Halcyon offers a platform that leverages AI to safeguard endpoints against various cyber threats.
Products
1Halcyon is a cybersecurity solution focused on endpoint protection.
Use + resell
EDR (Endpoint Detection & Response)
Updated Oct 14, 2026What changed
- UpdatedHalcyon description addedEnrichment agent
Quick Info
Company Overview
Vendor-providedVerify with the vendor.
Company Size
Medium
Founded
2021 (5 years)
Source: Apollo, Oct 2026
Employees
201-499
Source: Apollo, Oct 2026
Industry
Computer & Network Security
Headquarters
San Diego, California, United States
Annual Revenue
$79.5M
Focus Areas
cybersecuritysoftwareantiransomwareransomwarebehavioral detectioncyber resilience