IriusRisk Threat Modeling Tool's Infrastructure as Code (IaC) Integration is a feature of the IriusRisk platform that enables automated threat model generation from existing IaC descriptors and architecture diagrams. Users export an IaC descriptor file from supported tools such as AWS CloudFormation, HashiCorp Terraform, Microsoft Visio, Microsoft Threat Modeling Tool, Lucidchart, or diagrams.net, and import it into IriusRisk. The platform then parses the file and automatically generates a threat model of the described architecture, complete with identified security risks and associated security controls. Once the threat model is generated, users can tailor it by applying industry-specific security policies and compliance frameworks such as HIPAA, GDPR, OWASP, or NIST. The resulting threat model is described as a "living" model, meaning it can be updated as the architecture evolves. The tool also provides two-way issue tracker integration to help teams manage and mitigate identified security issues within their existing workflows. This integration supports tools such as Jira and Azure DevOps. The primary use case is to embed threat modeling into the Software Development Lifecycle (SDLC) without requiring teams to abandon their existing technology stacks, reducing manual effort through automation.