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Design-Stage Threat Modeling
Generate components, flows, boundaries, threats and requirements from your design inputs before coding begins.
Explore use caseAUTOMATED THREAT MODELING · OVERVIEW
Automated threat modeling, from prompt to runtime.
Heeler generates threat models from designs and existing systems, delivers security requirements to coding agents, and checks implementation against the approved architecture. Standards, scanners and guardrails connect the review to development and deployed systems.
Review this webhook design before the agent implements it.
Design-stage model
Proposed receiver · external trust boundary · authenticate requests
Agent guidance
src/webhooks/receiver.ts → authentication requirement
Validation
Code revision abc123 verified · production revision def456 needs review
Automate threat modeling across the AI SDLC.
Start before the first line of code or with a system already in production. Heeler automates model generation, requirements delivery and supported implementation checks. Your team reviews the architecture, approves changes and decides which risks to accept.
Code-to-Cloud Threat Modeling
Generate a model from connected repositories, services and deployed infrastructure. Review changes against that architecture.
Explore use caseThreat-Informed AI Development
Map changed files to model requirements, guide the agent before edits and review proposed architecture changes.
Explore use caseDesign-to-Deployment Validation
Compare the approved architecture with implementation evidence, then connect gaps to findings and remediation.
Explore use caseTHREAT MODELING INSIDE THE HEELER PLATFORM
One model connects design decisions to development and runtime.
Heeler uses your architecture and standards to generate requirements, deliver them to coding agents and evaluate implementation evidence. The same requirement connects the review to the change and the deployed service.
Workflow illustration. Reviewers approve model changes and risk decisions; supported checks provide implementation evidence.
Create a threat model from the material you already have.
Start with a planned system, a proposed change or an existing threat model. Heeler prepares the architecture, threats and requirements for review.
Illustrative workflow.
Create planned components now. Connect them to repositories and services as implementation becomes available.
Explore design-stage threat modelingThreat model existing systems from code-to-cloud architecture.
Heeler builds a service model by connecting source code to deployed infrastructure. Generate an as-built threat model from that architecture instead of manually reconstructing the system for review. Select one service or review an application across its services.
Source code → deployed infrastructure → service model → threat model
Review how the system is built, where it runs, and how its components communicate. Assess the resulting data flows, trust boundaries and threats.
As the system changes, review new components and flows against the approved model. Keep design decisions and requirements connected to the implementation they describe.
Explore continuous threat modelingGive coding agents security requirements for the files they change.
When an agent is about to edit a mapped file, Heeler retrieves the threats, requirements and boundary crossings that apply. MCP and the CLI expose this guidance to the agent; pre-edit hooks supply it during development. Organization-specific skills teach the agent when to retrieve requirements and when to propose a design change.
After an edit, hooks check the diff for new outbound hosts, listeners, data stores and credential reads. The agent can propose a model update from its changes; your team reviews and approves it. PR checks and comments show model impact and which requirements the change addresses.
Explore coding-agent security requirementsDESIGN-TO-DEPLOYMENT VALIDATION
Compare the approved architecture with the implemented system.
Heeler compares supported components, flows and security attributes against the approved model. Review new entry points, changed boundaries and unmet requirements, with evidence tied to the analyzed code and deployed environment.
Illustrative change: a new public listener creates an entry point outside the approved architecture.
Automate the work around security decisions.
Heeler prepares proposals, delivers guidance and gathers evidence. Your team controls which changes are accepted and which risks are approved.
Illustrative workflow.
Keep approvals and risk decisions tied to the reviewed architecture.
Approve model versions, assign risk owners and record time-bound exceptions. Revisit decisions when the architecture or approval basis changes. Track follow-up work in engineering systems and link risk records to your GRC program.
Connect design, development and review.
Apply STRIDE, LINDDUN or MAESTRO with your organization’s policies, threat categories and rating guidance. Carry the resulting requirements through the tools your teams use.
DESIGN INPUTS
Bring the source material
Jira, Linear, GitHub Issues, Azure DevOps and GitLab. Confluence, Google Docs, Notion, SharePoint and Figma.
DEVELOPMENT
Deliver the requirements
MCP, CLI and VS Code. Agent hooks, organization-specific skills and PR guardrails connect the model to changes.
REVIEW AND REPORTING
Retain the decisions and evidence
Editable models, source references, requirements, questionnaires and exportable models and reports.
AUTOMATED THREAT MODELING · FROM PROMPT TO RUNTIME
