Active Countermeasures AC-Hunter vs CC2ASN: 2026 Comparison
Active Countermeasures AC-Hunter is a commercial threat hunting tool by Black Hills Information Security. CC2ASN 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.
Threat hunters and incident responders who need fast AS-number geolocation mapping will find CC2ASN useful for pivot analysis during investigations. It's free, requires no authentication, and returns results in under a second, which matters when you're chasing a suspicious IP through 50 prefixes. Skip this if you need automation integration or BGP anomaly detection; CC2ASN is a lookup tool, not a monitoring platform.
