Best Free Threat Modeling Tools of 2025

Find and compare the best Free Threat Modeling tools in 2025

Use the comparison tool below to compare the top Free Threat Modeling tools on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    IriusRisk Reviews
    IriusRisk is an open Threat Modeling platform that can be used by any development and operations team – even those without prior security training. Whether your organization follows a framework or not, we can work with all the threat modeling methodologies, such as STRIDE, TRIKE, OCTAVE and PASTA. We support organisations in financial services, insurance, industrial automation, healthcare, private sector and more. IriusRisk is the industry's leading threat modeling and secure design solution in Application Security. With enterprise clients including Fortune 500 banks, payments, and technology providers, it empowers security and development teams to ensure applications have security built-in from the start - using its powerful threat modeling platform. Whether teams are implementing threat modeling from scratch, or scaling-up their existing operations, the IriusRisk approach results in improved speed-to-market, collaboration across security and development teams, and the avoidance of costly security flaws.
  • 2
    CAIRIS Reviews

    CAIRIS

    CAIRIS

    Free
    From various assets and countermeasures to factoids, personas, and architectural components, you can enter or upload a diverse array of data related to security, usability, and requirements to uncover valuable insights, including the links between requirements and risks as well as the rationale behind persona traits. Since no single perspective can encompass the complexity of a system, you can effortlessly create 12 distinct views of your developing design that examine aspects such as people, risks, requirements, architecture, and even geographical location. Additionally, as your preliminary design progresses, you can automatically produce threat models like Data Flow Diagrams (DFDs). Utilize open-source intelligence regarding potential threats and viable security architectures to assess your attack surface effectively. Furthermore, you can visualize all the security, usability, and design factors related to the risks associated with your product and how they interact with one another. This comprehensive approach ensures a thorough understanding of your system's vulnerabilities and strengths.
  • 3
    Threagile Reviews

    Threagile

    Threagile

    Free
    Threagile empowers teams to implement Agile Threat Modeling with remarkable ease, seamlessly integrating into DevSecOps workflows. This open-source toolkit allows users to represent an architecture and its assets in a flexible, declarative manner using a YAML file, which can be edited directly within an IDE or any YAML-compatible editor. When the Threagile toolkit is executed, it processes a series of risk rules that perform security evaluations on the architecture model, generating a comprehensive report detailing potential vulnerabilities and suggested mitigation strategies. Additionally, visually appealing data-flow diagrams are automatically produced, along with various output formats such as Excel and JSON for further analysis. The tool also supports ongoing risk management directly within the Threagile YAML model file, enabling teams to track their progress on risk mitigation effectively. Threagile can be operated through the command line, and for added convenience, a Docker container is available, or it can be set up as a REST server for broader accessibility. This versatility ensures that teams can choose the deployment method that best fits their development environment.
  • 4
    Cisco Vulnerability Management Reviews
    A surge of vulnerabilities can be overwhelming, but addressing every single one isn't feasible. Utilize comprehensive threat intelligence and innovative prioritization techniques to reduce expenses, streamline processes, and ensure that your teams concentrate on the most significant threats to your organization. This approach embodies Modern Risk-Based Vulnerability Management. Our Risk-Based Vulnerability Management software is pioneering a new standard in the field. It guides your security and IT teams on which infrastructure vulnerabilities to address and when to take action. The newest iteration demonstrates that exploitability can be quantified, and effectively measuring it can aid in its reduction. Cisco Vulnerability Management (previously known as Kenna.VM) merges practical threat and exploit insights with sophisticated data analytics to identify vulnerabilities that present the greatest risk while allowing you to deprioritize lesser threats. Expect your extensive list of “critical vulnerabilities” to diminish more quickly than a wool sweater in a hot wash cycle, providing a more manageable and efficient security strategy. By adopting this modern methodology, organizations can enhance their overall security posture and respond more effectively to emerging threats.
  • 5
    ThreatModeler Reviews
    ThreatModeler™, an enterprise threat modeling platform, is an automated solution that reduces the effort required to develop secure applications. Today's information security professionals have a pressing need to create threat models of their organizations' data and software. We do this at the scale of their IT ecosystem and with the speed of innovation. ThreatModeler™, which empowers enterprise IT organizations, allows them to map their unique security requirements and policies directly into the enterprise cyber ecosystem. This provides real-time situational awareness of their threat portfolio and risks. InfoSec executives and CISOs gain a complete understanding of their entire attack landscape, defense-in depth strategy, and compensating control, which allows them to strategically allocate resources and scale up their output.
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