Fibratus vs Hayabusa: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Fibratus is a free threat hunting tool. Hayabusa is a free threat hunting tool. Compare features, ratings, integrations, and community reviews side by side to find the best threat hunting fit for your security stack.
CST VerdictBased on our analysis of available product data, here is our conclusion:
Windows incident responders and threat hunters working inside corporate networks will get the most from Fibratus because it gives raw kernel-level visibility into process behavior without the licensing cost of commercial EDR. It's free and open-source with 2,373 GitHub stars, which means you're getting tested code plus a community that actually uses it for real investigations. Skip this if you need cross-platform coverage or graphical case management; Fibratus is Windows-only and command-line driven, built for practitioners who think in system calls, not dashboards.
Incident responders and threat hunters working Windows environments need Hayabusa for one reason: it parses event logs 10x faster than manual timeline construction and surfaces threat artifacts most analysts miss on first pass. The tool's 3,000+ GitHub stars and active contributor base mean its detection logic stays current with real-world Windows attacks, and it runs on commodity hardware without agent deployment. Skip this if your team rarely touches Windows logs or you need something with GUI-driven investigation; Hayabusa is CLI-first and assumes log analysis expertise.
