IriusRisk Threat Modeling Tool is a free threat modeling tool by IriusRisk. ThreatModeler is a commercial threat modeling tool by ThreatModeler. Compare features, ratings, integrations, and community reviews side by side to find the best threat modeling fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, company size fit, deployment model, here is our conclusion:
Development teams building new products or platforms should start with IriusRisk Threat Modeling Tool because its diagramming interface actually gets developers to model threats before writing code, not after as a compliance checkbox. The library of 700+ components with pre-mapped threats and controls means a junior engineer can identify design flaws that would normally require a senior architect's review. Skip this if your org needs threat modeling integrated into CI/CD gates or connected to your existing AppSec toolchain; IriusRisk is strongest when used as a standalone design phase exercise, not as a continuous scanning layer.
Enterprise security teams building cloud-native applications need ThreatModeler to shift threat modeling left before infrastructure decisions calcify; it's the only platform that threads threat analysis through IaC, APIs, and continuous deployment workflows rather than treating it as a pre-build checkbox. The tool covers ID.RA and ID.AM in NIST CSF 2.0, meaning you get asset discovery tied directly to risk quantification across apps and cloud environments. Skip this if your organization still models threats in annual workshops or if you lack the product and cloud team bandwidth to operationalize findings; ThreatModeler demands continuous engagement, not set-and-forget governance.
Threat modeling tool for dev teams to identify security design flaws pre-code.
Enterprise threat modeling platform for apps, cloud, and IaC.
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Common questions about comparing IriusRisk Threat Modeling Tool vs ThreatModeler for your threat modeling needs.
IriusRisk Threat Modeling Tool: Threat modeling tool for dev teams to identify security design flaws pre-code. built by IriusRisk. headquartered in Spain. Core capabilities include Intuitive diagramming interface for software security design, Automated software design verification for security flaws, Security Content Library with ~700 components..
ThreatModeler: Enterprise threat modeling platform for apps, cloud, and IaC. built by ThreatModeler. headquartered in United States. Core capabilities include Enterprise threat modeling for applications and systems, Cloud-specific threat modeling via CloudModeler, Real-time Infrastructure as Code (IaC) security analysis via IaC-Assist..
Both serve the Threat Modeling market but differ in approach, feature depth, and target audience.
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