SQL Server Security (Osborne Networking)

Protect your data from the most sophisticated hackers with hands-on examples and sure-fire measures in SQL Server Security. Understand the ways in which.
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Weighing in at pages, it's packed with the detail needed to securely deploy Microsoft SQL servers. Although many people contributed to the text, it doesn't suffer from internal redundancy.

I highly recommend anyone operating SQL servers devour this book. In the "Acknowledgements," lead author Chip Andrews writes "I wanted this book to give security and database professionals the same readability, reference ability, and red-eyed wonder that 'Hacking Exposed' gave me a few years back. My favorite sections appear in chapter 7, where the authors describe novel ways to leverage SQL Server's "C-2 auditing" features for purposes of intrusion detection. SSS dispenses an immense amount of useful advice, whether it's a whole chapter on secure installation ch.

The only downside I found appears in chapter 2, where SQL samurai David Litchfield uses language outside the realm of most readers' understanding. For example, "the import address entry for GetProcAddress in sqlsort.

The uninitiated should skim this chapter and trust the authors when they claim SQL Server can be attacked by multiple means. It's the manual Microsoft forgot to ship. If you do anything with SQL and need top secure it, please read this book. Securing SQL is not rocket science, but it is easy to do wrong. This book shows how to do it right. Amazon Giveaway allows you to run promotional giveaways in order to create buzz, reward your audience, and attract new followers and customers. Learn more about Amazon Giveaway.

Set up a giveaway. Feedback If you need help or have a question for Customer Service, contact us. Would you like to report poor quality or formatting in this book? Click here Would you like to report this content as inappropriate? For this tutorial, we will use Click OK to close the dialog box, and click OK to the warning that the service must be restarted.

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When the Database Engine restarts, it will listen on port Firewall systems help prevent unauthorized access to computer resources. To connect to SQL Server from another computer when a firewall is on, you must open a port in the firewall. Opening ports in your firewall can leave your server exposed to malicious attacks.

Be sure to understand firewall systems before opening ports.

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After you configure the Database Engine to use a fixed port, follow the following instructions to open that port in your Windows Firewall. You do not have to configure a fixed port for the default instance, because it is already fixed on TCP port On the Start menu, click Run , type WF. In the Rule Type dialog box, select Port , and then click Next. Select Specific local ports , and then type the port number of the instance of the Database Engine. Type for the default instance. Type if you are configuring a named instance and configured a fixed port in the previous task.

In the Action dialog box, select Allow the connection , and then click Next. In the Profile dialog box, select any profiles that describe the computer connection environment when you want to connect to the Database Engine, and then click Next. In the Name dialog box, type a name and description for this rule, and then click Finish. However, whether lacking time or resources, not enough businesses keep their systems regularly patched, leaving databases vulnerable.

Databases may be considered a "back end" part of the office and secure from Internet-based threats and so data doesn't have to be encrypted , but this is not the case. Databases also contain a networking interface, and so hackers are able to capture this type of traffic to exploit it. External attackers who infiltrate systems to steal data are one threat, but what about those inside the corporation? This is a common problem for the modern enterprise, and businesses should consider encrypting archives to mitigate the insider-risk.

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The research team says that over the past three years, every database exploit they've seen has been based on the misuse of a standard database feature. For example, a hacker can gain access through legitimate credentials before forcing the service to run arbitrary code. Although complex, in many cases, this access was gained through simple flaws that allow such systems to be taken advantage of or bypassed completely.

The separation of administrator and user powers, as well as the segregation of duties, can make it more difficult for fraud or theft undertaken by internal staff. In addition, limiting the power of user accounts may give a hacker a harder time in taking complete control of a database.

Rather than taking advantage of buffer overflow and gaining complete access to a database in the first stage, cybercriminals often play a game of Hopscotch: For example, a hacker may worm their way through your accounts department before hitting the credit card processing arena. Unless every department has the same standard of control, creating separate administrator accounts and segregating systems can help mitigate the risk. A popular method for hackers to take, SQL injections remain a critical problem in the protection of enterprise databases. Applications are attacked by injections, and the database administrator is left to clean up the mess caused by unclean variables and malicious code which is inserted into strings, later passed to an instance of SQL server for parsing and execution.

The best ways to protect against these threats are to protect web-facing databases with firewalls and to test input variables for SQL injection during development. Key management systems are meant to keep keys safe, but the research team often found encryption keys stored on company disk drives.