threatspec.org

What It Is

threatspec is an open-source continuous threat modeling project designed to narrow the gap between development and security. Instead of requiring teams to maintain threat models separately in external documents, its approach is to let developers and security engineers write threat specifications directly alongside the code, then dynamically generate reports and data flow diagrams from the codebase.

Core Capabilities

Based on the examples shown on the page, threatspec uses code comments to describe accepted risks, mitigations, and security context, such as annotations for file writes, access control, and file permissions. You can then run analysis with threatspec run and generate a readable, shareable threat model report with threatspec report. Its main value is embedding threat modeling into the coding process, so security information is maintained together with the code.

Languages, Openness, and Ecosystem

The page shows code examples that look similar to Go, but the main text does not clearly state which programming languages or frameworks are supported, so its cross-language capability cannot be determined. The project is explicitly marked as open source and provides a GitHub link, meaning teams can inspect the source code and run it locally. The page does not mention API, SDK, CI/CD, IDE, or code hosting platform integrations; it only demonstrates command-line usage.

Pricing and Documentation

The captured content does not include any commercial pricing, paid edition, or hosted service information. Given its open-source positioning, it can be understood as free to use, but there is no information about enterprise support, SLA, or commercial services. In terms of documentation, the page provides sections on what it is and how it works, annotation examples, and basic commands, making the introductory concept clear. However, it lacks more complete information such as installation, configuration, language compatibility, and integration practices.

Pros, Cons, and Who It’s For

Its strengths are a clear concept, open-source transparency, the ability to shift threat modeling earlier into the development stage, and automatic generation of reports and data flow diagrams. It is suitable for DevSecOps teams, security engineers, and development teams that want to capture security context during code review. Its limitations are that the page provides relatively little information, and supported languages, maintenance status, ecosystem integrations, and enterprise support are unclear. The page indicates that a new version was released in 2019, so its actual activity should be further checked on GitHub.

Access from China

The main text does not provide information about access, payments, or domestic deployment in China, so china_access can only be marked as unknown. If GitHub access is unstable, teams in China may need to prepare a proxy or mirror solution. Comparable alternatives include OWASP Threat Dragon, Microsoft Threat Modeling Tool, IriusRisk, and PyTM.