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FounderMark Curphey[1]
Type501(c)(3) nonprofit organization
FocusWeb security, application security, vulnerability assessment
MethodIndustry standards, conferences, workshops
Avi Douglen, Chair; Matt Tesauro, Vice-Chair; Bil Corry, Treasurer; Ricardo Griffith, Secretary; Kevin Johnson, Member-at-Large; Sam Stepanyan, Member-at-Large; Steve Springett, Member-at-Large[2]
Key people
Andrew van der Stock, Executive Director; Kelly Santalucia, Director of Events and Corporate Support; Harold Blankenship, Director of Technology and Projects; Jason C. McDonald, Director of Community Development; Dawn Aitken, Operations Manager; Lauren Thomas, Event Coordinator[3]
Revenue (2017)
Decrease $2.3 million[4]
0 (2020)[5]
approx. 13,000 (2017)[6]

The Open Worldwide Application Security Project [7] (OWASP) is an online community that produces freely available articles, methodologies, documentation, tools, and technologies in the fields of IoT, system software and web application security.[8][9][10] The OWASP provides free and open resources. It is led by a non-profit called The OWASP Foundation. The OWASP Top 10 - 2021 is the published result of recent research based on comprehensive data compiled from over 40 partner organizations.



Mark Curphey started OWASP on September 9, 2001.[1] Jeff Williams served as the volunteer Chair of OWASP from late 2003 until September 2011. As of 2015, Matt Konda chaired the Board.[11]

The OWASP Foundation, a 501(c)(3) non-profit organization in the US established in 2004, supports the OWASP infrastructure and projects. Since 2011, OWASP is also registered as a non-profit organization in Belgium under the name of OWASP Europe VZW.[12]

In February 2023, it was reported by Bil Corry, a OWASP Foundation Global Board of Directors officer,[13] on Twitter[7] that the board had voted for renaming from the Open Web Application Security Project to its current name, replacing Web with Worldwide.

Publications and resources

  • OWASP Top Ten: The "Top Ten", first published in 2003, is regularly updated.[14] It aims to raise awareness about application security by identifying some of the most critical risks facing organizations.[15][16][17] Many standards, books, tools, and many organizations reference the Top 10 project, including MITRE, PCI DSS,[18] the Defense Information Systems Agency (DISA-STIG), and the United States Federal Trade Commission (FTC),[19]
  • OWASP Software Assurance Maturity Model: The Software Assurance Maturity Model (SAMM) project's mission is to provide an effective and measurable way for all types of organizations to analyze and improve their software security posture. A core objective is to raise awareness and educate organizations on how to design, develop, and deploy secure software through a flexible self-assessment model. SAMM supports the complete software lifecycle and is technology and process agnostic. The SAMM model is designed to be evolutive and risk-driven in nature, acknowledging there is no single recipe that works for all organizations.[20]
  • OWASP Development Guide: The Development Guide provides practical guidance and includes J2EE, ASP.NET, and PHP code samples. The Development Guide covers an extensive array of application-level security issues, from SQL injection through modern concerns such as phishing, credit card handling, session fixation, cross-site request forgeries, compliance, and privacy issues.
  • OWASP Testing Guide: The OWASP Testing Guide includes a "best practice" penetration testing framework that users can implement in their own organizations and a "low level" penetration testing guide that describes techniques for testing most common web application and web service security issues. Version 4 was published in September 2014, with input from 60 individuals.[21]
  • OWASP Code Review Guide: The code review guide is currently at release version 2.0, released in July 2017.
  • OWASP Application Security Verification Standard (ASVS): A standard for performing application-level security verifications.[22]
  • OWASP XML Security Gateway (XSG) Evaluation Criteria Project.[23]
  • OWASP Top 10 Incident Response Guidance. This project provides a proactive approach to Incident Response planning. The intended audience of this document includes business owners to security engineers, developers, audit, program managers, law enforcement & legal council.[24]
  • OWASP ZAP Project: The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. It is designed to be used by people with a wide range of security experience including developers and functional testers who are new to penetration testing.
  • Webgoat: a deliberately insecure web application created by OWASP as a guide for secure programming practices.[1] Once downloaded, the application comes with a tutorial and a set of different lessons that instruct students how to exploit vulnerabilities with the intention of teaching them how to write code securely.
  • OWASP AppSec Pipeline: The Application Security (AppSec) Rugged DevOps Pipeline Project is a place to find information needed to increase the speed and automation of an application security program. AppSec Pipelines take the principles of DevOps and Lean and applies that to an application security program.[25]
  • OWASP Automated Threats to Web Applications: Published July 2015[26] - the OWASP Automated Threats to Web Applications Project aims to provide definitive information and other resources for architects, developers, testers and others to help defend against automated threats such as credential stuffing. The project outlines the top 20 automated threats as defined by OWASP.[27]
  • OWASP API Security Project: focuses on strategies and solutions to understand and mitigate the unique vulnerabilities and security risks of Application Programming Interfaces (APIs). Includes the most recent list API Security Top 10 2023.[28]



The OWASP organization received the 2014 Haymarket Media Group SC Magazine Editor's Choice award.[9][29]

See also



  1. ^ a b c d Huseby, Sverre (2004). Innocent Code: A Security Wake-Up Call for Web Programmers. Wiley. p. 203. ISBN 0470857447.
  2. ^ "OWASP Foundation Global Board". OWASP. February 14, 2023. Retrieved March 20, 2023.
  3. ^ "OWASP Foundation Staff". OWASP. February 12, 2023. Retrieved May 3, 2022.
  4. ^ "OWASP FOUNDATION INC". Nonprofit Explorer. ProPublica. May 9, 2013. Retrieved January 8, 2020.
  5. ^ "OWASP Foundation's Form 990 for fiscal year ending Dec. 2020". October 29, 2021. Retrieved January 18, 2023 – via ProPublica Nonprofit Explorer.
  6. ^ "OWASP Foundation's Form 990 for fiscal year ending Dec. 2017". October 26, 2018. Retrieved January 8, 2020 – via ProPublica Nonprofit Explorer.
  7. ^ a b Corry, Bil [@bilcorry] (February 25, 2023). "A change you might notice about @owasp , the Board voted to change the "W" from "Web" to "Worldwide", making it the "Open Worldwide Application Security Project"" (Tweet). Retrieved July 7, 2024 – via Twitter.
  8. ^ "OWASP top 10 vulnerabilities". developerWorks. IBM. April 20, 2015. Retrieved November 28, 2015.
  9. ^ a b "SC Magazine Awards 2014" (PDF). Media.scmagazine.com. Archived from the original (PDF) on September 22, 2014. Retrieved November 3, 2014.
  10. ^ "OWASP Internet of Things". Retrieved December 26, 2023.
  11. ^ "Board". OWASP. Archived from the original on September 16, 2017. Retrieved February 27, 2015.
  12. ^ "OWASP Europe". OWASP. Archived from the original on April 17, 2016. Retrieved July 7, 2024.
  13. ^ "Global Board". owasp.org. Archived from the original on April 29, 2024. Retrieved July 7, 2024.
  14. ^ "OWASP Top Ten". owasp.org. Archived from the original on July 6, 2024. Retrieved July 7, 2024.
  15. ^ Trevathan, Matt (October 1, 2015). "Seven Best Practices for Internet of Things". Database and Network Journal. Archived from the original on November 28, 2015.
  16. ^ Crosman, Penny (July 24, 2015). "Leaky Bank Websites Let Clickjacking, Other Threats Seep In". American Banker. Archived from the original on November 28, 2015.
  17. ^ Pauli, Darren (December 4, 2015). "Infosec bods rate app languages; find Java 'king', put PHP in bin". The Register. Retrieved December 4, 2015.
  18. ^ "Payment Card Industry (PCI) Data Security Standard" (PDF). PCI Security Standards Council. November 2013. p. 55. Retrieved December 3, 2015.
  19. ^ "Open Web Application Security Project Top 10 (OWASP Top 10)". Knowledge Database. Synopsys. Synopsys, Inc. 2017. Retrieved July 20, 2017. Many entities including the PCI Security Standards Council, National Institute of Standards and Technology (NIST), and the Federal Trade Commission (FTC) regularly reference the OWASP Top 10 as an integral guide for mitigating Web application vulnerabilities and meeting compliance initiatives.
  20. ^ "What is OWASP SAMM?". OWASP SAMM. Retrieved November 6, 2022.
  21. ^ Pauli, Darren (September 18, 2014). "Comprehensive guide to obliterating web apps published". The Register. Retrieved November 28, 2015.
  22. ^ Baar, Hans; Smulters, Andre; Hintzbergen, Juls; Hintzbergen, Kees (2015). Foundations of Information Security Based on ISO27001 and ISO27002 (3 ed.). Van Haren. p. 144. ISBN 9789401800129.
  23. ^ "Category:OWASP XML Security Gateway Evaluation Criteria Project Latest". Owasp.org. Archived from the original on November 3, 2014. Retrieved November 3, 2014.
  24. ^ "OWASP Incident Response Project - OWASP". Archived from the original on April 6, 2019. Retrieved December 12, 2015.
  25. ^ "OWASP AppSec Pipeline". Open Web Application Security Project (OWASP). Archived from the original on January 18, 2020. Retrieved February 26, 2017.
  26. ^ "AUTOMATED THREATS to Web applications" (PDF). OWASP. July 2015.
  27. ^ "OWASP Automated Threats to Web Applications". owasp.org. Archived from the original on June 29, 2024. Retrieved July 7, 2024.
  28. ^ "OWASP API Security Project - OWASP Foundation". OWASP.
  29. ^ "Winners | SC Magazine Awards". Awards.scmagazine.com. Archived from the original on August 20, 2014. Retrieved July 17, 2014. Editor's Choice [...] Winner: OWASP Foundation