SDL Threat Modeling Tool

Threat Modeling Is a Core Element of the Microsoft Security Development Lifecycle (SDL)

As part of the design phase of the SDL, threat modeling allows software architects to identify and mitigate potential security issues early, when they are relatively easy and cost-effective to resolve. Therefore, it helps reduce the total cost of development.

The SDL Threat Modeling Tool Is Not Just a Tool for Security Experts

The SDL Threat ModelingTool is the first threat modeling tool which isn't designed for security experts. It makes threat modeling easier for all developers by providing guidance on creating and analyzing threat models.

The SDL Threat Modeling Tool enables any developer or software architect to:

  • Communicate about the security design of their systems
  • Analyze those designs for potential security issues using a proven methodology
  • Suggest and manage mitigations for security issues
SDL Threat Modeling Process

SDL Threat Modeling Process

Capabilities and Innovations of the SDL Threat Modeling Tool

The SDL Threat Modeling Tool plugs into any issue-tracking system, making the threat modeling process a part of the standard development process.

Innovative features include:

  • Integration: Issue-tracking systems
  • Automation: Guidance and feedback in drawing a model
  • STRIDE per element framework: Guided analysis of threats and mitigations
  • Reporting capabilities: Security activities and testing in the verification phase
The Unique Methodology of the SDL Threat Modeling Tool

The SDL Threat Modeling Tool differs from other tools and approaches in two key areas:

  • It is designed for developers and centered on software

    Many threat modeling approaches center on assets or attackers. In contrast, the SDL approach to threat modeling is centered on the software. This new tool builds on activities that all software developers and architects are familiar with--such as drawing pictures for their software architecture.

  • It is focused on design analysis

    The term "threat modeling" can refer to either a requirements or a design analysis technique. Sometimes, it refers to a complex blend of the two. The Microsoft SDL approach to threat modeling is a focused design analysis technique.

Threat Modeling Tool

SDL Threat Modeling Tool
SDL Threat Modeling Tool
Watch this short video to learn more about the SDL Threat Modeling tool. The SDL Threat Modeling Tool is one of many free tools made available as part of the SDL Toolset. The SDL Threat Modeling Tool is the first threat modeling tool which isn't designed for security experts. It makes threat modeling easier for all developers by providing guidance on creating and analyzing threat models.
Run Time:        10:33
Uploaded:        12/07/10
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