Active Countermeasures AC-Hunter vs Stairwell: 2026 Comparison
Active Countermeasures AC-Hunter is a commercial threat hunting tool by Black Hills Information Security. Stairwell is a commercial threat hunting tool by Stairwell. 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, core features, integrations, company size fit, 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.
Mid-market and enterprise SOC teams who need to move fast on file-based indicators will find Stairwell's hash and IOC lookup engine faster than bouncing between five different threat intelligence feeds. The tool's integration with Cortex, Chronicle, and CrowdStrike means your analysts can pivot from detection to malware variant discovery without leaving their existing workflows, and the private YARA vault lets you test and store detection logic without exposing your methodology to external platforms. Skip this if your primary pain is endpoint visibility or compliance reporting; Stairwell is built for teams that hunt actively and need to confirm whether a file hash actually matters before escalating.
