Category:OWASP Top Ten Project

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OWASP Top 10
The OWASP Top Ten is a powerful awareness document for web application security. The OWASP Top Ten represents a broad consensus about what the most critical web application security flaws are. Project members include a variety of security experts from around the world who have shared their expertise to produce this list.

We urge all companies to adopt this awareness document within their organization and start the process of ensuring that their web applications do not contain these flaws. Adopting the OWASP Top Ten is perhaps the most effective first step towards changing the software development culture within your organization into one that produces secure code.

Translation Efforts
The OWASP Top 10 has been translated to many different languages by numerous volunteers. These translations are available as follows:


 * All versions of the OWASP Top 10 - 2013
 * All versions of the OWASP Top 10 - 2010
 * Information about the various translation teams

Licensing
The OWASP Top 10 is free to use. It is licensed under the http://creativecommons.org/licenses/by-sa/3.0/ Creative Commons Attribution-ShareAlike 3.0 license], so you can copy, distribute and transmit the work, and you can adapt it, and use it commercially, but all provided that you attribute the work and if you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.


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What is the OWASP Top 10?
The OWASP Top 10 provides:


 * A list of the 10 Most Critical Web Application Security Risks

And for each Risk it provides:
 * A description
 * Example vulnerabilities
 * Example attacks
 * Guidance on how to avoid
 * References to OWASP and other related resources

Project Leader

 * Dave Wichers

Related Projects

 * OWASP Mobile Top 10 Risks


 * OWASP Top 10 Cheat Sheet


 * Top 10 Proactive Controls


 * OWASP Top 10 Mapped to the Web Hacking Incident Database

Ohloh

 * https://www.ohloh.net/p/OWASP-Top-10


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Quick Download

 * OWASP Top 10 2013 - PDF
 * OWASP Top 10 2013 - wiki
 * OWASP Top 10 2013 Presentation - Covering Each Item in the Top 10 (PPTX).

Email List
Project Email List

News and Events

 * [12 Jun 2013] OWASP Top 10 - 2013 Final Released
 * [Feb 2013] Draft OWASP Top 10 - 2013 - Released for Public Comment

Classifications

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= OWASP Top 10 for 2013 =



On June 12, 2013 the OWASP Top 10 for 2013 was officially released. This version was updated based on numerous comments received during the comment period after the release candidate was released in Feb. 2013.


 * OWASP Top 10 2013 document (PDF).
 * OWASP Top 10 2013 - Wiki.
 * OWASP Top 10 2013 - Arabic (PDF).
 * OWASP Top 10 2013 - Chinese (PDF).
 * OWASP Top 10 2013 - Czech (PDF).
 * OWASP Top 10 2013 - French (PDF).
 * [[media:OWASP_Top_10_2013_DE_Version_1_0.pdf | OWASP Top 10 2013 - German (PDF)]]
 * OWASP Top 10 2013 - Hebrew (PDF)
 * OWASP Top 10 2013 - Italian (PDF)
 * OWASP Top 10 2013 - Japanese (PDF).
 * OWASP Top 10 2013 - Korea (PDF).
 * OWASP Top 10 2013 - Brazilian Portuguese (PDF).
 * OWASP Top 10 2013 - Spanish (PDF)
 * OWASP Top 10 2013 - Ukrainian (PDF)
 * OWASP Top 10 2013 Presentation - Focusing on What Changed Since 2010 (PPTX)
 * OWASP Top 10 2013 Presentation - Presenting Each Item in the Top 10 (PPTX).

The OWASP Top 10 - 2013 is as follows:


 * A1 Injection
 * A2 Broken Authentication and Session Management
 * A3 Cross-Site Scripting (XSS)
 * A4 Insecure Direct Object References
 * A5 Security Misconfiguration
 * A6 Sensitive Data Exposure
 * A7 Missing Function Level Access Control
 * A8 Cross-Site Request Forgery (CSRF)
 * A9 Using Components with Known Vulnerabilities
 * A10 Unvalidated Redirects and Forwards

If you are interested, the methodology for how the Top 10 is produced is now documented here: OWASP Top 10 Development Methodology

Please help us make sure every developer in the ENTIRE WORLD knows about the OWASP Top 10 by helping to spread the word!!!

As you help us spread the word, please emphasize:


 * OWASP is reaching out to developers, not just the application security community
 * The Top 10 is about managing risk, not just avoiding vulnerabilities
 * To manage these risks, organizations need an application risk management program, not just awareness training, app testing, and remediation

We need to encourage organizations to get off the penetrate and patch mentality. As Jeff Williams said in his 2009 OWASP AppSec DC Keynote: “we’ll never hack our way secure – it’s going to take a culture change” for organizations to properly address application security.

Introduction
The OWASP Top Ten provides a powerful awareness document for web application security. The OWASP Top Ten represents a broad consensus about what the most critical web application security flaws are. Project members include a variety of security experts from around the world who have shared their expertise to produce this list. Versions of the 2007 and 2010 version were translated into English, French, Spanish, Japanese, Korean and Turkish and other languages. Translation efforts for the 2013 version are underway and they will be posted as they become available.

We urge all companies to adopt this awareness document within their organization and start the process of ensuring that their web applications do not contain these flaws. Adopting the OWASP Top Ten is perhaps the most effective first step towards changing the software development culture within your organization into one that produces secure code.

Changes between 2010 and 2013 Editions
The OWASP Top 10 - 2013 includes the following changes as compared to the 2010 edition:


 * A1 Injection
 * A2 Broken Authentication and Session Management (was formerly 2010-A3)
 * A3 Cross-Site Scripting (XSS) (was formerly 2010-A2)
 * A4 Insecure Direct Object References
 * A5 Security Misconfiguration (was formerly 2010-A6)
 * A6 Sensitive Data Exposure (2010-A7 Insecure Cryptographic Storage and 2010-A9 Insufficient Transport Layer Protection were merged to form 2013-A6)
 * A7 Missing Function Level Access Control (renamed/broadened from 2010-A8 Failure to Restrict URL Access)
 * A8 Cross-Site Request Forgery (CSRF) (was formerly 2010-A5)
 * A9 Using Components with Known Vulnerabilities (new but was part of 2010-A6 – Security Misconfiguration)
 * A10 Unvalidated Redirects and Forwards

2013 Versions
2013 Edition:


 * OWASP Top 10 2013 - PDF
 * OWASP Top 10 2013 - wiki
 * OWASP Top 10 2013 - Arabic (PDF).
 * OWASP Top 10 2013 - Chinese (PDF).
 * OWASP Top 10 2013 - Czech (PDF).
 * OWASP Top 10 2013 - French (PDF).
 * [[media:OWASP_Top_10_2013_DE_Version_1_0.pdf | OWASP Top 10 2013 - German (PDF)]]
 * OWASP Top 10 2013 - Hebrew (PDF direct download)
 * OWASP Top 10 2013 - Italian (PDF)
 * OWASP Top 10 2013 - Japanese (PDF).
 * OWASP Top 10 2013 - Korea (PDF).
 * OWASP Top 10 2013 - Brazilian Portuguese (PDF).
 * OWASP Top 10 2013 - Spanish (PDF).
 * OWASP Top 10 2013 - Ukrainian (PDF)
 * OWASP Top 10 - 2013 - Release Candidate
 * OWASP Top 10 - 2013 - Final Release - Change Log (docx)

Feedback
Please let us know how your organization is using the Top Ten. Include your name, organization's name, and brief description of how you use the list. Thanks for supporting OWASP!

We hope you find the information in the OWASP Top Ten useful. Please contribute back to the project by sending your comments, questions, and suggestions to topten@lists.owasp.org Thanks!

To join the OWASP Top Ten mailing list or view the archives, please visit the subscription page.

Project Sponsors
The OWASP Top Ten project is sponsored by

= OWASP Top 10 for 2010 =



On April 19, 2010 the final version of the OWASP Top 10 for 2010 was released, and here is the associated press release. This version was updated based on numerous comments received during the comment period after the release candidate was released in Nov. 2009.


 * OWASP Top 10 - 2010 Document
 * OWASP Top 10 - 2010 - wiki
 * OWASP Top 10 - 2010 Presentation
 * OWASP Top 10 Video of the Presentation above - this focused alot on the Top 10 for 2010 approach, rather than the details. (From OWASP AppSec EU 2010)
 * OWASP Top 10 Video of this Presentation when the Top 10 for 2010 was 1st released for comment - this goes through each item in the Top 10. (From OWASP AppSec DC 2009)

The OWASP Top 10 Web Application Security Risks for 2010 are:


 * A1: Injection
 * A2: Cross-Site Scripting (XSS)
 * A3: Broken Authentication and Session Management
 * A4: Insecure Direct Object References
 * A5: Cross-Site Request Forgery (CSRF)
 * A6: Security Misconfiguration
 * A7: Insecure Cryptographic Storage
 * A8: Failure to Restrict URL Access
 * A9: Insufficient Transport Layer Protection
 * A10: Unvalidated Redirects and Forwards

Introduction
The OWASP Top Ten provides a powerful awareness document for web application security. The OWASP Top Ten represents a broad consensus about what the most critical web application security flaws are. Project members include a variety of security experts from around the world who have shared their expertise to produce this list. Versions of the 2007 were translated into English, French, Spanish, Japanese, Korean and Turkish and other languages and the 2010 version was translated into even more languages. See below for all the translated versions.

2010 Versions
2010 Edition:


 * OWASP Top 10 2010 - PDF
 * OWASP Top 10 2010 - wiki

2010 Translations:


 * OWASP Top 10 2010 - Chinese PDF / 这里下载PDF格式文档
 * OWASP Top 10 2010 - French PDF
 * [[media:OWASPTop10_2010_DE_Version_1_0.pdf | OWASP Top 10 2010 - German PDF]]
 * OWASP Top 10 2010 - Hebrew PDF
 * OWASP Top 10 2010 - Indonesian PDF
 * OWASP Top 10 2010 - Italian PDF
 * OWASP Top 10 2010 - Japanese PDF
 * OWASP Top 10 2010 - Korean PDF
 * OWASP Top 10 2010 - Spanish PDF
 * OWASP Top 10 2010 - Spanish PPT
 * OWASP Top 10 2010 - Vietnamese PDF

2010 Release Candidate:


 * OWASP Top 10 2010 Release Candidate
 * OWASP Top 10 2010 Release Candidate Comments, except for one set of scanned comments which are here.

Previous versions:


 * OWASP Top 10 2007 - PDF
 * OWASP Top 10 2007 - wiki
 * OWASP Top 10 2007 - PDF Translations are here
 * OWASP Top 10 2004 - wiki

Project Sponsors
The OWASP Top Ten project is sponsored by

= Translation Efforts =



Efforts are underway in numerous languages to translate the OWASP Top 10 for 2013. If you are interested in helping, please contact the other members of the team for the language you are interested in contributing to, or if you don't see your language listed, please let me know you want to help and we'll form a volunteer group for your language too!!

Here is the original source document for the OWASP Top 10 - 2013 which is in PowerPoint. Please use this document as the basis for your translation efforts.

2013 Completed Translations:


 * Arabic: OWASP Top 10 2013 - Arabic PDF Translated by: Mohannad Shahat: Mohannad.Shahat@owasp.org, Fahad: @SecurityArk, Abdulellah Alsaheel: cs.saheel@gmail.com, Khalifa Alshamsi: Khs1618@gmail.com and Sabri(KING SABRI): king.sabri@gmail.com, Mohammed Aldossary: mohammed.aldossary@owasp.org
 * Chinese 2013：中文版2013 OWASP Top 10 2013 - Chinese (PDF). 项目组长： Rip 王颉， 参与人员： 陈亮、 顾庆林、 胡晓斌、 李建蒙、 王文君、 杨天识、 张在峰
 * Czech 2013: OWASP Top 10 2013 - Czech (PDF) OWASP Top 10 2013 - Czech (PPTX) CSIRT.CZ - CZ.NIC, z.s.p.o. (.cz domain registry): Petr Zavodsky: petr.zavodsky@owasp.org, Vaclav Klimes, Zuzana Duracinska, Michal Prokop, Edvard Rejthar, Pavel Basta
 * French 2013: OWASP Top 10 2013 - French PDF Ludovic Petit: Ludovic.Petit@owasp.org, Sébastien Gioria: Sebastien.Gioria@owasp.org, Erwan Abgrall: g4l4drim@gmail.com, Benjamin Avet: benjamin.avet@gmail.com, Jocelyn Aubert: jocelyn.aubert@owasp.org, Damien Azambour: damien.azambourg@owasp.org, Aline Barthelemy: aline.barthelemy@fr.abb.com, Moulay Abdsamad Belghiti: abdsamad.belghiti@gmail.com, Gregory Blanc: gregory.blanc@gmail.com, Clément Capel: clement.capel@sfr.com, Etienne Capgras: Etienne.capgras@solucom.fr, Julien Cayssol: julien@aqwz.com, Antonio Fontes: antonio.fontes@owasp.org, Ely de Travieso: Ely.detravieso@owasp.org, Nicolas Grégoire: nicolas.gregoire@agarri.fr, Valérie Lasserre: valerie.lasserre@gmx.fr, Antoine Laureau: antoine.laureau@owasp.org, Guillaume Lopes: lopes.guillaume@free.fr, Gilles Morain: gilles.morain@gmail.com, Christophe Pekar: christophe.pekar@owasp.org, Olivier Perret: perrets@free.fr, Michel Prunet: michel.prunet@owasp.org, Olivier Revollat: revollat@gmail.com, Aymeric Tabourin: aymeric.tabourin@orange.com
 * German 2013: [[media:OWASP_Top_10_2013_DE_Version_1_0.pdf | OWASP Top 10 2013 - German PDF]] top10@owasp.de which is Frank Dölitzscher, Torsten Gigler, Tobias Glemser, Dr. Ingo Hanke, Thomas Herzog, Kai Jendrian, Ralf Reinhardt, Michael Schäfer
 * Hebrew 2013: OWASP Top 10 2013 - Hebrew PDF Translated by: Or Katz, Eyal Estrin, Oran Yitzhak, Dan Peled, Shay Sivan.
 * Italian 2013: OWASP Top 10 2013 - Italian PDF Translated by: Michele Saporito: m.saporito7@gmail.com, Paolo Perego: thesp0nge@owasp.org, Matteo Meucci: matteo.meucci@owasp.org, Sara Gallo: sara.gallo@gmail.com, Alessandro Guido: alex@securityaddicted.com, Mirko Guido Spezie: mirko@dayu.it, Giuseppe Di Cesare: giuseppe.dicesare@alice.it, Paco Schiaffella: schiaffella@gmail.com, Gianluca Grasso: giandou@gmail.com, Alessio D'Ospina: alessiodos@gmail.com, Loredana Mancini: loredana.mancini@business-e.it, Alessio Petracca: alessio.petracca@gmail.com, Giuseppe Trotta: giutrotta@gmail.com, Simone Onofri: simone.onofri@gmail.com, Francesco Cossu: hambucker@gmail.com, Marco Lancini: marco.lancini.ml@gmail.com, Stefano Zanero: zanero@elet.polimi.it, Giovanni Schmid: giovanni.schmid@na.icar.cnr.it, Igor Falcomata': koba@sikurezza.org
 * Japanese 2013: OWASP Top 10 2013 - Japanese PDF Translated by: Chia-Lung Hsieh: ryusuke.tw(at)gmail.com, Reviewed by: Hiroshi Tokumaru, Takanori Nakanowatari
 * Korean 2013: OWASP Top 10 2013 - Korean PDF (이름가나다순) 김병효:byounghyo.kim@owasp.org, 김지원:jiwon.kim@owasp.or.kr, 김효근:katuri@katuri.kr, 박정훈:xelion@gmail.com, 성영모:youngmo.seong@owasp.or.kr, 성윤기:yune.sung@owasp.org, 송보영:boyoung.song@owasp.or.kr, 송창기:factor7@naver.com, 유정호:griphis77@gmail.com, 장상민:sangmin.jang@owasp.or.kr, 전영재:youngjae.jeon@owasp.org, 정가람:tgcarrot@gmail.com, 정홍순:jhs728@gmail.com, 조민재:johnny.cho@owasp.org,허성무:issimplenet@gmail.com
 * Brazilian Portuguese 2013: OWASP Top 10 2013 - Brazilian Portuguese PDF Translated by: Carlos Serrão, Marcio Machry, Ícaro Evangelista de Torres, Carlo Marcelo Revoredo da Silva, Luiz Vieira, Suely Ramalho de Mello, Jorge Olímpia, Daniel Quintão, Mauro Risonho de Paula Assumpção, Marcelo Lopes, Caio Dias, Rodrigo Gularte
 * Spanish 2013: OWASP Top 10 2013 - Spanish PDF Gerardo Canedo: gerardo.canedo@owasp.org, Jorge Correa: jacorream@gmail.com, Fabien Spychiger: fabien.spychiger@dreamlab.net, Alberto Hill: alberto.daniel.hill@gmail.com, Johnatan Stanley: johnatanst@gmail.com, Maximiliano Alonzo: malonzo@tib.com.uy, Mateo Martinez: mateo.martinez@owasp.org, David Montero: david.montero@owasp.org, Rodrigo Martinez: rodmart@fing.edu.uy, Guillermo Skrilec: guillermo.skrilec@owasp.org, Felipe Zipitria: felipe.zipitria@owasp.org, Fabien Spychiger: fabien.spychiger@dreamlab.net, Rafael Gil: rafael.gillarios@owasp.org, Christian Lopez: christian.lopez.martin@owasp.org, jonathan fernandez jonathan.fernandez04@gmail.com, Paola Rodriguez: Paola_R1@verifone.com, Hector Aguirre: hector.antonio.aguirre@owasp.org, Roger Carhuatocto: rcarhuatocto@intix.info, Juan Carlos Calderon: johnccr@yahoo.com, Marc Rivero López: mriverolopez@gmail.com, Carlos Allendes: carlos.allendes@owasp.org, daniel@carrero.cl: daniel@carrero.cl, Manuel Ramírez: manuel.ramirez.s@gmail.com, Marco Miranda: marco.miranda@owasp.org, Mauricio D. Papaleo Mayada: mpapaleo@gmail.com, Felipe Sanchez: felipe.sanchez@peritajesinformaticos.cl, Juan Manuel Bahamonde: juanmanuel.bahamonde@gmail.com, Adrià Massanet: adriamassanet@gmail.com, Jorge Correa: jacorream@gmail.com, Ramiro Pulgar: ramiro.pulgar@owasp.org, German Alonso Suárez Guerrero: german.suarez@owasp.org, Jose A. Guasch: jaguasch@gmail.com, Edgar Salazar: edgar.salazar@owasp.org
 * Ukrainian 2013: OWASP Top 10 2013 - Ukrainian PDF Kateryna Ovechenko, Yuriy Fedko, Gleb Paharenko, Yevgeniya Maskayeva, Sergiy Shabashkevich, Bohdan Serednytsky

2010 Completed Translations:


 * Korean 2010: OWASP Top 10 2010 - Korean PDF Hyungkeun Park, (mirrk1@gmail.com)
 * Spanish 2010: OWASP Top 10 2010 - Spanish PDF *Daniel Cabezas Molina, Edgar Sanchez, Juan Carlos Calderon, Jose Antonio Guasch, Paulo Coronado, Rodrigo Marcos, Vicente Aguilera
 * French 2010: OWASP Top 10 2010 - French PDF ludovic.petit@owasp.org, sebastien.gioria@owasp.org, antonio.fontes@owasp.org, benoit.guerette@owasp.org, Jocelyn.aubert@owasp.org, Eric.Garreau@gemalto.com, Guillaume.Huysmans@gemalto.com
 * German: [[media:OWASPTop10_2010_DE_Version_1_0.pdf | OWASP Top 10 2010 - German PDF]] top10@owasp.de which is Frank Dölitzscher, Tobias Glemser, Dr. Ingo Hanke, Kai Jendrian, Ralf Reinhardt, Michael Schäfer
 * Indonesian: OWASP Top 10 2010 - Indonesian PDF Tedi Heriyanto (coordinator), Lathifah Arief, Tri A Sundara, Zaki Akhmad
 * Italian: OWASP Top 10 2010 - Italian PDF Simone Onofri, Paolo Perego, Massimo Biagiotti, Edoardo Viscosi, Salvatore Fiorillo, Roberto Battistoni, Loredana Mancini, Michele Nesta, Paco Schiaffella, Lucilla Mancini, Gerardo Di Giacomo, Valentino Squilloni
 * Japanese: OWASP Top 10 2010 - Japanese PDF cecil.su@owasp.org, Dr. Masayuki Hisada, Yoshimasa Kawamoto, Ryusuke Sakamoto, Keisuke Seki, Shin Umemoto, Takashi Arima
 * Chinese: OWASP Top 10 2010 - Chinese PDF 感谢以下为中文版本做出贡献的翻译人员和审核人员: Rip Torn, 钟卫林, 高雯, 王颉, 于振东
 * Vietnamese: OWASP Top 10 2010 - Vietnamese PDF Translation lead by Cecil Su - Translation Team: Dang Hoang Vu, Nguyen Ba Tien, Nguyen Tang Hung, Luong Dieu Phuong, Huynh Thien Tam
 * Hebrew: OWASP Top 10 Hebrew Project -- OWASP Top 10 2010 - Hebrew PDF. Lead by Or Katz, see translation page for list of contributors.

Volunteer Translation Efforts Underway:


 * Portuguese: carlos.j.serrao@gmail.com; taquiles@gmail.com; wagner.elias@owasp.org; victoreufrasio@gmail.com; leo.cavallari@owasp.org; victoreufrasio@gmail.com;
 * Greek: Konstantinos Papapanagiotou (conpap@di.uoa.gr)
 * Turkish: bora@abi.com.tr
 * Malay: cecil.su@owasp.org
 * Dutch: marinus@kuivenhoven.com
 * Swedish: ake.bengtsson@owasp.org
 * Hungarian: tibor.fekete@owasp.org
 * Persian (Farsi): Shahab Namazikhah (namazikhah@hotmail.com)

= Project Details =



= Some Commercial & OWASP Uses of the Top 10 =



Warning: these articles have not been rated for accuracy by OWASP. Product companies should be extremely careful about claiming to "cover" or "ensure compliance" with the OWASP Top 10. The current state-of-the-art for automated detection (scanners and static analysis) and prevention (WAF) is nowhere near sufficient to claim adequate coverage of the issues in the Top 10. Nevertheless, using the Top 10 as a simple way to communicate security to end users is effective.


 * Microsoft
 * as a way to measure the coverage of their SDL and improve security


 * NSA
 * in their developer guidance on web application security


 * PCI Council
 * as part of the Payment Card Industry Data Security Standard (PCI DSS)


 * Microsoft
 * to show how "T10 threats are handled by the security design and test procedures of Microsoft"


 * OWASP
 * OWASP Top 10 Mapped to the Web Hacking Incident Database


 * OWASP
 * OWASP Mobile Top 10 Risks


 * OWASP
 * OWASP Top 10 Cheat Sheet