In this article, we take a look at how database encryption, a new feature in SQL Server 2005, can be used to protect database objects as well as your data. The first question is why would you bother with encrypting the database? From the perspective of Microsoft product development, providing database encryption is a checklist item for being certified by the common criteria organization. From the perspective of the end user, one can simply scan the recent news to find articles about databases that have been compromised, thru either stolen computers or hacking- database encryption is the last line of defence.
The SQL Server product team didn't re-invent the wheel to implement encryption in SQL Server; the feature is based on the Windows encryption API, which is robust and powerful.
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