Acalvio ShadowPlex vs Beelzebub: Side-by-Side Comparison (2026)

Acalvio ShadowPlex: Deception platform using external-facing decoys for threat intel & recon detection. built by Acalvio Technologies. Core capabilities include External-facing decoys for web apps, APIs, and IPv6 IIoT services, Reconnaissance detection and early attack visibility, Credential abuse monitoring (password spraying, brute-force, credential stuffing)..

Beelzebub: Open-source LLM-powered deception framework for multi-protocol honeypot services. Core capabilities include LLM-powered adaptive deception engine generating real-time contextual responses, Multi-protocol decoy services: SSH, HTTP, TCP, TELNET, and MCP, YAML-based low-code service configuration with regex command matching..

Both serve the Honeypots & Deception market but differ in approach, feature depth, and target audience.

Acalvio ShadowPlex differentiates with External-facing decoys for web apps, APIs, and IPv6 IIoT services, Reconnaissance detection and early attack visibility, Credential abuse monitoring (password spraying, brute-force, credential stuffing). Beelzebub differentiates with LLM-powered adaptive deception engine generating real-time contextual responses, Multi-protocol decoy services: SSH, HTTP, TCP, TELNET, and MCP, YAML-based low-code service configuration with regex command matching.

Acalvio ShadowPlex is developed by Acalvio Technologies. Beelzebub is open-source with 1,899 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Acalvio ShadowPlex and Beelzebub serve similar Honeypots & Deception use cases: both are Honeypots & Deception tools. Key differences: Acalvio ShadowPlex is Commercial while Beelzebub is Free, Beelzebub is open-source. Review the feature comparison above to determine which fits your requirements.