AutoSec TARA Suite vs OWASP Threat Dragon
AutoSec TARA Suite
autosecinnovation.comOWASP Threat Dragon
threatdragon.comSide by side
| Figure | AutoSec TARA Suite | OWASP Threat Dragon |
|---|---|---|
| Price from | — | Free |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| Linux | — | Yes |
| Self-hosted | Yes | Yes |
| Plans published | 0 | 1 |
| Spec score · Threat Modeling Software | 7.4 (#18) | 7.9 (#6) |
| Deployment | Deployment options listed are analyst led engagements, managed evaluation instances, and self hosted instances in a customer environment during the pilot. | Threat Dragon can run as a containerized, self-hosted web application or as a desktop application. |
| Intended users | Listed use cases include concept phase TARA, supplier TARA review, UN R155 evidence preparation, reassessment after architecture changes, and cybersecurity concept definition. | OWASP describes Threat Dragon as intended for developers and defenders, and says both experienced threat modelers and beginners can use it. |
| Purpose | AutoSec TARA Suite is a pilot automotive threat modelling and risk management platform for ISO/SAE 21434 aligned TARA workflows and UN R155 compliance activities. | Threat Dragon creates threat model diagrams and lists threats for diagram elements as part of a secure development lifecycle. |
Plans
In their own words
AutoSec TARA Suite
AutoSec TARA Suite is a pilot automotive threat-modelling and risk-management platform for analyst-led workflows aligned with ISO/SAE 21434 and UN R155 activities. Its analysis moves through item definition, asset and boundary identification, threat scenarios, attack analysis, impact assessment, and risk determination. Candidate threat scenarios are generated for analyst review and mapped to STRIDE categories. Risk assessment considers safety, financial, operational, and privacy impacts, then calculates attack potential to determine risk. Listed outputs include traceability matrices, PDF and Excel compliance bundles, and VSOC detection rule exports. Deployment options include analyst-led engagements, managed evaluation instances, and self-hosted customer instances. Controlled self-hosted evaluations and technical demonstrations are available on request. The suite is designed to support ISO/SAE 21434, UNECE R155, and ISO 26262 activities, but it does not certify products or organisations. Pricing is available on request.
OWASP Threat Dragon
OWASP Threat Dragon creates threat-model diagrams and records threats associated with diagram elements as part of a secure development lifecycle. Diagrams can represent processes, data stores, actors, data flows and trust boundaries. It supports STRIDE, LINDDUN, CIA, CIA-DIE, DIE and PLOT4ai threat categories. A rule engine can propose threats and mitigations based on properties of diagram elements. Threat Dragon can run as a containerized, self-hosted web application or as a desktop app with installers for Windows, macOS and Linux. The web app supports local file storage and configurable access to GitHub, GitHub Enterprise, Google Drive, Bitbucket, Bitbucket Enterprise and GitLab; the desktop app saves models locally. The project lists Apache License 2.0. Analytics are disabled by default and require server configuration. The project is volunteer-maintained and notes that immediate investigation or response to incidents is not always possible. Threat Dragon is listed at free, with no paid plans or usage limits stated.