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OWASP Threat-Dragon-ng 2.6.0 is an open-source, cross-platform threat modeling application maintained by the OWASP Foundation as an official Lab Project. Built to translate security requirements into actionable diagrams, the program lets architects, developers, and security engineers draw data-flow, trust-boundary, process, and entity elements, then attach explicit threats and recommended remediations to every component. The resulting models align with the Threat Modeling Manifesto’s principles of flexibility and simplicity, making the tool suitable for agile teams, DevSecOps pipelines, and traditional waterfall projects alike. Version 2.6.0 is the fifth public release; earlier iterations evolved from a lightweight web editor into the present desktop and browser-compatible package that supports saving files locally or syncing with GitHub repositories for collaborative review. Typical use cases include designing secure cloud reference architectures, reviewing micro-service attack surfaces, documenting mobile-app data flows, and satisfying compliance mandates that demand evidence of systematic threat analysis. Because the application is released under an open-source license, organizations can embed it in internal security portals or integrate it with existing development tool-chains without licensing costs. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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