Acalvio ShadowPlex vs Mailoney: Side-by-Side Comparison (2026)
Features, pricing, ratings, and pros & cons — compared head-to-head.
Acalvio ShadowPlex is a commercial honeypots & deception tool by Acalvio Technologies. Mailoney is a free honeypots & deception tool. Compare features, ratings, integrations, and community reviews side by side to find the best honeypots & deception fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Mid-market and enterprise security teams with exposed APIs, web applications, or IoT infrastructure should use ShadowPlex to catch reconnaissance and credential attacks before they reach production systems. The platform's external-facing decoys generate high-fidelity threat intelligence in STIX format while monitoring for password spraying and brute-force attempts, directly addressing ID.RA and DE.CM in NIST CSF 2.0. Skip this if your attack surface is entirely internal or if you need deep visibility into post-breach lateral movement; ShadowPlex is optimized for early detection at the perimeter, not incident response.
Security teams building internal threat intelligence programs will get real value from Mailoney's modular SMTP honeypot design, which lets you customize deception tactics for your specific attack surface rather than running generic traps. The 280 GitHub stars and active module ecosystem mean you're working with battle-tested code that others in your position have already hardened. Skip this if you need a turnkey, managed honeypot service or expect vendor-backed incident response; Mailoney demands you own the deployment, tuning, and log analysis yourself.
