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OWASP SaaS Rest API Secure Guide
The OWASP Security Principles
The project is to discuss SaaS rest API threats, security design and operation best practices for the following key roles.
The SaaS API security is an ecosystem. The security practices require not only SaaS provider but also app builder, and end user involvement. For SaaS API builder, he may follow secure coding guide, OWASP Top 10 to deliver the restAPI. For App builder, he needs to handle the access token securely, verify the certificate of target website, redirect user to authentication (JWT, OpenID connect, SAML) and authorization (Oauth2) through secure transmission HTTPS/TLS. Any missing of the security practices will introduce security risks. Then, the SaaS platform provider constantly monitoring and auditing the usage of services, manage accounts/API, hardening platform. Finally, the end user security awareness to identify phishing app/site will complete the whole security cycle.
The OWASP Proactive Controls document is free to use under the Creative Commons ShareAlike 3 License.
What is OWASP Security Principles Project?
The end goal is to identify, cite, and document the fundamental principles of Rest API security in terms of API builder, SaaS platform provider, and API consumer/builder.
This document should be as a guide to security technical architects, API builder and SaaS platform API provider outlining the fundamental principles of security.
To be updated
News and Events
How can I participate in your project?
All you have to do is make the Project Leader's aware of your available time to contribute to the project. It is also important to let the Leader's know how you would like to contribute and pitch in to help the project meet it's goals and milestones. There are many different ways you can contribute to an OWASP Project, but communication with the leads is key. Project Lead contact Tony Hsu @
If I am not a programmer can I participate in your project?
Yes, you can certainly participate in the project if you are not a programmer or technical. The project needs different skills and expertise and different times during its development. Currently, we are looking for researchers, writers, graphic designers, and a project administrator.
The first contributors to the project were: