tcpsplit vs CSPi Myricom nVoy Series AIR: 2026 Comparison
tcpsplit is a free digital forensics and incident response tool. CSPi Myricom nVoy Series AIR is a commercial digital forensics and incident response tool by CSPi. Compare features, ratings, integrations, and community reviews side by side to find the best digital forensics and incident response 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:
Incident response teams handling large packet captures will appreciate tcpsplit for one reason: it slices PCAP files along TCP connection boundaries, eliminating the manual work of extracting individual sessions for analysis. The tool is free and lightweight enough to run on forensic workstations without dependencies, making it practical for analysts who need fast carving during triage. Skip this if you need GUI-driven packet analysis or threat intelligence enrichment; tcpsplit is a Unix utility for people comfortable with command-line workflows and existing in a broader toolchain.
Enterprise and mid-market IR teams investigating breaches need the nVoy Series AIR to turn alert noise into forensic evidence; it automatically matches your firewall and IDS alerts to actual network traffic, then pulls the full conversation files on demand so you're not reconstructing timelines from logs. Continuous 24/7 capture at 10Gbps with real-time indexing means you can retrieve retroactive proof of compromise for assets you define as critical, covering NIST Detect and Respond functions equally well. Skip this if your team lacks dedicated forensic analysts or if you need detection tuning beyond ingesting alerts; nVoy assumes your alerts are mostly good and focuses on proving what actually happened on the wire.
