aDolus Software Supplier Discovery vs ICS-pcap: Side-by-Side Comparison (2026)

Enterprise and mid-market security teams managing OT/ICS environments need visibility into blacklisted and monitored vendors buried three or four levels deep in their supply chains, and aDolus Software Supplier Discovery maps that lineage where generic software composition analysis tools stop. The tool directly addresses NIST GV.SC by identifying restricted vendors and enforcing policy thresholds at scale, turning vendor trust monitoring from a manual compliance checkbox into an automated gate. Skip this if your OT footprint is minimal or if you need application-layer SCA; aDolus is built for the supply chain risk problem specific to industrial control systems. ICS security teams building detection labs or training incident responders should use ICS-pcap as a reference library for actual industrial protocol traffic; the 542 GitHub stars and active contributor model means you're working with real packet captures instead of synthetic data. The tool's value sits entirely in NIST Identify and Detect functions, giving you baseline signatures and anomaly patterns for MODBUS, Profinet, and DNP3, but it won't help you with response automation or recovery orchestration. Skip this if you need a commercial PCAP repository with vendor support or a turnkey IDS; ICS-pcap is a free practitioner resource that only pays off if your team has the bandwidth to ingest and operationalize the captures themselves.

Based on our analysis of core features, company size fit, deployment model, here is our conclusion: