Active Countermeasures AC-Hunter vs RedEye: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Active Countermeasures AC-Hunter is a commercial threat hunting tool by Black Hills Information Security. RedEye 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 NIST CSF 2.0 coverage, company size fit, deployment model, here is our conclusion:
Active Countermeasures AC-Hunter
Security teams in SMB and mid-market companies that lack dedicated threat hunting staff will get immediate value from AC-Hunter's network-focused detection engine, which identifies compromised assets and lateral movement without requiring deep log parsing expertise. The tool maps directly to NIST CSF 2.0's continuous monitoring and adverse event analysis functions, meaning you get detection and characterization built in rather than bolted on. Skip this if your organization is already running mature SIEM-based hunting workflows or needs visibility across endpoints and cloud; AC-Hunter's strength is purely network-layer anomalies, which is both its speed advantage and its scope limitation.
Red teamers and purple team operators who need to visualize attack chains and operator movements across compromised infrastructure should start with RedEye; its graph-based UI makes lateral movement and persistence patterns immediately obvious in ways flat log tables don't. The tool is free and has 2,741 GitHub stars, meaning active community contribution to detection logic. Skip this if your primary need is automated response or if your team lacks the time to learn a specialized interface; RedEye rewards operators who dig into their own data rather than handing off to automation.
