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Welcome to the Open Web Application Security Project (OWASP)

OWASP is... Our mission is to find and fight the causes of insecure software.

Total Articles: 5,856

Participation

Join us...Support OWASP by becoming a member

OWASP Downloads

We have lots of materials available for download. There are Presentations, Tools, Technical Papers, Documents, and more. All OWASP materials are free and licensed under an approved open source license.

OWASP Projects

OWASP has a variety of Projects underway to advance the state of the art in different areas of application security. Anyone can join our projects and help out. All you have to do is choose a project and request a task.