Halcyon

Anti-ransomware prevention & recovery

Series C+
Austin, USA

About

Halcyon builds a cybersecurity platform purpose-built to prevent, detect, and recover from ransomware attacks. Unlike broad endpoint protection tools, Halcyon focuses exclusively on the ransomware kill chain—identifying pre-attack indicators, blocking encryption attempts in real time, and enabling rapid business recovery to minimize operational disruption.

Products

  • Halcyon Anti-Ransomware Platform — Prevents ransomware attacks, stops data extortion, and recovers encrypted data quickly to ensure business continuity.
    Customer sectors: enterprise, mid-market, security teams
  • Ransomware Operations Center — Provides expert-led detection, response, and recovery from ransomware attacks, available 24x7 with no additional cost.
    Customer sectors: security operations, incident response, enterprise IT
  • Halcyon + Endpoint Detection & Response — Enhances existing endpoint detection with dedicated anti-ransomware protection to stop advanced ransomware threats.
    Customer sectors: security teams, enterprise IT, managed security providers
  • Halcyon + Backup Solutions — Secures backups against ransomware attacks and enables faster data recovery.
    Customer sectors: IT operations, disaster recovery, enterprise
  • Halcyon + Dell Ransomware-resilient PCs — Purpose-built PCs integrating ransomware protection to harden endpoints against attacks.
    Customer sectors: enterprise, government, education

Market research & competitive positioning

Source-backed TAM / SAM / SOM sizing, displacement analysis, and an interactive peer positioning map for Halcyon — available to members.

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