Chapter 9. Secure Coding Guidelines

In Chapter 7 we discussed the role of secure coding guidelines in ensuring that applications are secure. In this chapter, we look at some of the most important guidelines developers should follow. Since many of these are low level code writing requirements, we illustrate the guidelines with code snippets. As the coding guidelines are platform-agnostic and apply to all popular platforms, we show code snippets only for one platform, .Net. The examples we show with .Net can be ported to J2EE, PHP, Perl and other platforms too.

We classify the coding guidelines into six categories:

  1. Input validation guidelines.

  2. Authentication guidelines.

  3. Guidelines for handling sensitive data.

  4. Session management guidelines.

  5. Error handling ...

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