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One of your top priorities as a DBA (maybe the top priority) is to secure your SQL Servers, the home to your customer details, human resources data and all business-critical information. You must not only protect SQL Server against external threats, but the much-more-common internal threats -- and the measures you take to control access will go a long way in achieving that. This guide will walk you through key tips and expert advice to help you control internal and external access to SQL Server, and it will highlight access control enhancements in SQL Server 2005.
If you're running SQL Server in an environment where you don't want computers to access it, you must hide the instance from network discovery. Windows domain accounts offer the most secure access to SQL Server. Find out why and how to use Windows authentication to defend against hackers. SQL Server 2000 users can access OS features in accounts where the server process runs, which makes the database vulnerable to attackers unless you change the privileges. Get help tracking (in SQL Server itself) which SQL Server users are currently logged in and which database(s) they are accessing.
Hackers can devastate your SQL Server workflow and cripple your company's business. Learn the four primary methods used to hack into SQL Server. Make sure no listening ports are open for public access on your SQL Server machines -- or you could be relaying sensitive database information to the outside world. Get a secure way to share access to a physical SQL Server running multiple databases.
New security features in SQL Server 2005 make it easier to manage and grant permissions on a more granular basis. Get an overview of new features and functions. Here is a high-level list, in no particular order, of perhaps the 10 most significant security enhancements in SQL Server 2005. In addition to new security features related to .NET managed code, other new security features will help you tighten authentication through SQL Server logins. A user-defined type must be defined in the SQL Server catalog to be visible to SQL Server stored procedure, then users need the appropriate permission to invoke it.
From authentication to encryption, get up to speed on SQL Server security techniques. Take a class in SQL Server security. Research security best practices in this topics section.
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Controlling internal access
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