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Tools / Microsoft Threat Modeling Tool (TMT) Interview questions

Explain how custom threat properties extend the default TMT threat template schema?

Out of the box, each generated threat carries a fixed set of fields: Title, Category (its STRIDE classification), Description, Justification, Priority, and State.

A custom template can define additional properties on top of that default schema - for example a dropdown mapping a threat to a specific compliance control, or a text field recording the owning team - and once defined, those custom fields appear automatically on every threat generated from stencils bound to that template. Crucially, they're not just cosmetic: custom fields are included in the generated report alongside the default ones, which is what lets an organization produce a threat model artifact that plugs directly into an existing GRC or compliance-tracking format instead of being a generic, unstructured security document that then needs to be manually re-keyed elsewhere.

The default threat schema includes fields such as:
Custom threat properties defined in a template:

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