Threat Modeling 101: How to Identify and Reduce Security Risks

Threat modeling helps teams proactively find weaknesses. Start with assets, map data flows, identify threats (e.g., STRIDE), and plan mitigations.

STRIDE categories

• Spoofing, Tampering, Repudiation, Information Disclosure, Denial of Service, Elevation of Privilege

Workflow

1. Define scope & assets
2. Map architecture & data flows
3. Identify threats & rank risk
4. Design mitigations and validate