OWASP Threat Dragon serves as a modeling tool designed for creating diagrams that represent potential threats within a secure development lifecycle. Adhering to the principles of the threat modeling manifesto, Threat Dragon enables users to document potential threats and determine appropriate mitigation strategies, while also providing a visual representation of the various components and surfaces related to the threat model. This versatile tool is available as both a web-based application and a desktop version. The Open Web Application Security Project (OWASP) is a nonprofit organization dedicated to enhancing software security, and all of its projects, tools, documents, forums, and chapters are accessible for free to anyone eager to improve application security practices. By facilitating collaboration and knowledge sharing, OWASP encourages a community-focused approach to achieving higher security standards in software development.