Chapter 9. Security and Privacy Issues

At several points in the earlier chapters, I’ve alluded to various security-related concerns such as the need to check the contents of forms to make sure submitted information is valid. In this chapter, we’ll pull these threads together to survey some of the security issues with which you should be concerned when you develop and run a Web site, and to discuss what you can do to address the dangers. In many cases, the purpose of security measures is to protect the integrity of your own data. But security also comes into play with regard to the collection and use of information that you obtain from visitors ...

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