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==Foreword by Eoin Keary, OWASP Global Board==
==Foreword by Eoin Keary, OWASP Global Board==
The problem of insecure software is perhaps the most important technical challenge of our time.
The problem of insecure software is perhaps the most important technical challenge of our time. the to .
At The Open Web Application Security Project (OWASP), we're trying to make the world a place where insecure software is the anomaly, not the norm, and the OWASP Testing Guide an important .
It goes without saying that you can't build a secure application without performing security testing on it.
It goes without saying that you can't build a secure application without performing security testing on it. part of a to a .
a great start towards building and maintaining secure applications. The [[Building Guide|Development Guide]] will show your project how to architect and build a secure application, the [[Code Review Guide]] will tell you how to verify the security of your application's source code, and this [[Testing Guide]] will show you how to verify the security of your running application. I highly recommend using these guides as part of your application security initiatives.
Revision as of 09:31, 19 April 2013
This article is part of the OWASP Testing Guide v3. The entire OWASP Testing Guide v3 can be downloaded here.
OWASP at the moment is working at the OWASP Testing Guide v4: you can browse the Guide here
Foreword by Eoin Keary, OWASP Global Board
The problem of insecure software is perhaps the most important technical challenge of our time. The dramatic rise of web applications enabling business, social networking etc has only compounded the requirements to establish a robust approach to writing ans securing our Internet, Web Applications and Data. At The Open Web Application Security Project (OWASP), we're trying to make the world a place where insecure software is the anomaly, not the norm, and the OWASP Testing Guide has an important role to play in solving this serious issue.
It is vitally important to our approach to testing software for security issues is based on the principles of engineering ans science. We need a consistent, repeatable and defined approach to testing web applications. A world without some minimal standards in terms of engineering and technology is a world in chaos. It goes without saying that you can't build a secure application without performing security testing on it. Testing is part of a wider approach to building a secure system.
Many software development organizations do not include security testing as part of their standard software development process. Even worse is many security vendors delivery testing with varying degrees of quality and rigor.
Security testing, by itself, isn't a particularly good stand alone measure of how secure an application is, because there are an infinite number of ways that an attacker might be able to make an application break, and it simply isn't possible to test them all. We cant hack ourselves secure and we only have a limited time to test and defend where an attacker does not have such constraints.
In conjunction with other OWASP projects such as the Code review Guide, The Development Guide and tools such as OWASP ZAP, this is a great start towards building and maintaining secure applications. The Development Guide will show your project how to architect and build a secure application, the Code Review Guide will tell you how to verify the security of your application's source code, and this Testing Guide will show you how to verify the security of your running application. I highly recommend using these guides as part of your application security initiatives.
Creating a guide like this is a massive undertaking, representing the expertise of hundreds of people around the world. There are many different ways to test for security flaws and this guide captures the consensus of the leading experts on how to perform this testing quickly, accurately, and efficiently.
It's impossible to underestimate the importance of having this guide available in a completely free and open way. Security should not be a black art that only a few can practice. Much of the available security guidance is only detailed enough to get people worried about a problem, without providing enough information to find, diagnose, and solve security problems. The project to build this guide keeps this expertise in the hands of the people who need it.
This guide must make its way into the hands of developers and software testers. There are not nearly enough application security experts in the world to make any significant dent in the overall problem. The initial responsibility for application security must fall on the shoulders of the developers. It shouldn't be a surprise that developers aren't producing secure code if they're not testing for it.
Keeping this information up to date is a critical aspect of this guide project. By adopting the wiki approach, the OWASP community can evolve and expand the information in this guide to keep pace with the fast moving application security threat landscape.
Tailoring and Prioritizing
You should adopt this guide in your organization. You may need to tailor the information to match your organization's technologies, processes, and organizational structure. If you have standard security technologies, you should tailor your testing to ensure they are being used properly. In general there are several different roles within organizations that may use this guide:
- Developers should use this guide to ensure that they are producing secure code. These tests should be a part of normal code and unit testing procedures.
- Software testers should use this guide to expand the set of test cases they apply to applications. Catching these vulnerabilities early saves considerable time and effort later.
- Security specialists should use this guide in combination with other techniques as one way to verify that no security holes have been missed in an application.
The most important thing to remember when performing security testing is to continuously re-prioritize. There are an infinite number of possible ways that an application could fail, and organizations always have limited testing time and resources. Be sure it is spent wisely. Try to focus on the security holes that are the most likely to be discovered and exploited by an attacker, and that will lead to the most serious compromises.
This guide is best viewed as a set of techniques that you can use to find different types of security holes. But not all the techniques are equally important. Try to avoid using the guide as a checklist.
The Role of Automated Tools
There are a number of companies selling automated security analysis and testing tools. Remember the limitations of these tools so that you can use them for what they're good at. As Michael Howard put it at the 2006 OWASP AppSec Conference in Seattle, "Tools do not make software secure! They help scale the process and help enforce policy."
Most importantly, these tools are generic - meaning that they are not designed for your custom code, but for applications in general. That means that while they can find some generic problems, they do not have enough knowledge of your application to allow them to detect most flaws. In my experience, the most serious security issues are the ones that are not generic, but deeply intertwined in your business logic and custom application design.
These tools can also be seductive, since they do find lots of potential issues. While running the tools doesn't take much time, each one of the potential problems takes time to investigate and verify. If the goal is to find and eliminate the most serious flaws as quickly as possible, consider whether your time is best spent with automated tools or with the techniques described in this guide.
Still, these tools are certainly part of a well-balanced application security program. Used wisely, they can support your overall processes to produce more secure code.
Call to Action
If you're building software, I strongly encourage you to get familiar with the security testing guidance in this document. If you find errors, please add a note to the discussion page or make the change yourself. You'll be helping thousands of others who use this guide.
Please consider joining us as an individual or corporate member so that we can continue to produce materials like this testing guide and all the other great projects at OWASP.
Thank you to all the past and future contributors to this guide, your work will help to make applications worldwide more secure.
-- Jeff Williams, OWASP Chair, December 15, 2006