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3 Common SQL Server Security Issues and How to Prevent Them

3 Common SQL Server Security Issues and How to Prevent Them


When you install an SQL database, you do it with the hope that the system will work well. However, at one point or another, the users will almost always experience challenges. The most basic challenges to proactively address are security concerns, which can also result in the most damage if not tackled. The key to minimizing the amount of stress users experience with your system is ensuring that you keep performing routine checks and troubleshooting for possible problems. Here are 3 of the most common SQL server security issues and how you can avoid them:

The physical environment

When you start talking about data security, not many people think of the physical environment as a possible source of issues. However, there are many times when the physical environment threatens the security of the SQL servers more than anything else. The best protective measure that you can take to ensure that your databases are safe is locking down the physical environment. This added security prevents unexpected occurrences like a disgruntled employee ruining company records before departure. When installing the physical hardware that holds the data, have a list of employees who are authorized to access that particular part of the premises and educate them on why it is important to keep that part of the company secure at all times. The fewer the number of employees who have access to databases, the more secure your data will be.

Weak network security

Another possible source of problems with your SQL server is the network. You’ll need a strong and stable connection to servers to prevent infiltration from viruses and other attacks on your system. To improve the security of the network, install firewalls and optimize on antivirus programs with the capacity of defending the system against even the strongest of malware attacks. Also, educate everyone who has access the SQL database about the importance of avoiding opening links which look suspicious or installing free software whose security is not known. Employee training should happen on a regular basis and include updates on relevant, recent threats.

Lack of updates

Your SQL database can face a serious security breach if database managers fail to maintain regular updates. Patch software updates are meant to help your security systems get the updates which have been made to them as soon as the updates occur. When you have patched your system, you are assured that few threats can penetrate your system or compromise your database.

One final word of wisdom: Avoid over-deployment of features on your SQL database. Rely on trusted IT experts to advise about updates that may surpass your system’s capacity with its addition of features. Too many features are not practically useful. An overly burdened system can easily be exploited by hackers. When you turn off the features that you do not really need, you get a streamlined system which is more difficult to penetrate or hack. Finally, perform security checks regularly and randomly to ensure that everything is working as it should to optimize security.

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