1stProtect.ai vs IriusRisk Threat Modeling Tool: Side-by-Side Comparison (2026)

1stProtect.ai: Runtime enforcement platform with 22 modules on one SIGMA engine, offline-capable. built by 1stProtect.ai. Core capabilities include Single user-space SIGMA engine replacing multiple legacy security engines (EPP, EDR, DLP, IAM, ITDR, SASE), 22 protection modules covering credential theft, ransomware, data exfiltration, process injection, browser attacks, and agent self-defense, Offline-first policy enforcement with local policy engine cached in kernel memory — no cloud dependency required..

IriusRisk Threat Modeling Tool: Threat modeling tool for dev teams to identify security design flaws pre-code. built by IriusRisk. Core capabilities include Intuitive diagramming interface for software security design, Automated software design verification for security flaws, Security Content Library with ~700 components..

Both serve the Detection Engineering market but differ in approach, feature depth, and target audience.

1stProtect.ai differentiates with Single user-space SIGMA engine replacing multiple legacy security engines (EPP, EDR, DLP, IAM, ITDR, SASE), 22 protection modules covering credential theft, ransomware, data exfiltration, process injection, browser attacks, and agent self-defense, Offline-first policy enforcement with local policy engine cached in kernel memory — no cloud dependency required. IriusRisk Threat Modeling Tool differentiates with Intuitive diagramming interface for software security design, Automated software design verification for security flaws, Security Content Library with ~700 components.

1stProtect.ai is developed by 1stProtect.ai. IriusRisk Threat Modeling Tool is developed by IriusRisk. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

1stProtect.ai and IriusRisk Threat Modeling Tool serve similar Detection Engineering use cases. Key differences: 1stProtect.ai is Commercial while IriusRisk Threat Modeling Tool is Free. Review the feature comparison above to determine which fits your requirements.