Dethernety

What Dethernety is

Dethernety is an open-source threat modeling platform that represents architecture as a graph. Teams can build and explore models in a browser, from code, or from reports, then examine attack paths, blast radius, and residual risk across the architecture. Exposures map to MITRE ATT&CK techniques, while controls map to D3FEND countermeasures for identifying coverage gaps. JavaScript and TypeScript modules cover design, analysis, and issues, alongside an OPA/Rego policy engine. Issue modules can connect to external trackers and synchronize remediation issues in both directions. Users host their own graph database, with Neo4j and Memgraph listed as options. Analysis can use deterministic queries, single-agent AI acceleration, or multi-agent LangGraph workflows. The open-source edition runs on infrastructure users control and can operate offline without cloud calls. The maker says models, data, and findings stay on that infrastructure and that the platform sends no background telemetry. The GUI is aimed at security teams; the CLI supports DevOps automation and threat-model-as-code. Enterprise includes dedicated support and deployment help. Hosted SaaS is planned for later, and package composition and pricing remain in progress.