Database stores all the essential information which includes bank details, credit card information but these details are valuable to criminals and so the database is always the target for criminals. Though there are lots of attackers whose main intention is on denial service attacks and vandalism but cyber criminals want the complete database. Their main aim is the database because attackers can easily get money from the database as it consists personal identities.
There is no end to database security but there are some of the better practices that helps the smaller businesses to protect their database and this process helps the user to prevent attacks in easy method. Some of the best practices which users can follow are mentioned below:
Ensure Physical Database Security
Always try to keep the database server in locked and in secure environment and also remember not to access the database to any unknown person. It means that you should keep the database in detached machine and also remember that don’t keep in those machines that run application and web servers. The web server is attacked because it is located in DMZ and even accessed by public. Here it happens that if the web server is conceded and at the same time if the database runs in the same machine then attackers can very easily access the database and data.
Harden Your Database to Fullest Extent Possible
The database that you are using should be up to date and all the security patches and software’s should be updated so that all the vulnerabilities are removed. Although this process is not sufficient and so it becomes important to disable all those features which are of no use and always change your password of your default account. Even it will be better that if you don’t need the account then delete it. Moreover, important to check whether the database security is enabled provided by database and also don’t disable it until and unless there is a specific reason for it.
Minimize Value of Your Database
The data that you store in your database, only that much information attackers get in hands and so you should not store much data in your database. Only store that much data which you need and try to manage the data in such a way that when you want to remove any data, you can easily do that. Also important for you that those data which is very much essential, that data is to be stored in more secure place and where attackers don’t easily attack the database. Don’t forget to delete the history files that are written by server at the installation process. You might don’t know but successful installation are really helpful for attackers because it contains information.
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Encrypt Your Data
Encrypting the stored data is important and in fact it has become essential in many organization and also important to encrypt the backup data. The backup data is should place separately from decryption keys. Moreover those data which is confidential also should be encrypted over the network and also essential to prevent against any database security threats.
Use Web Application and Database Firewalls
Firewalls are really helpful in several ways as it stops denying access to traffic by default and so it should be enabled. After enabling, the traffic which comes should only from specific applications or web servers that need to access the data. Enabling firewall keep the system secure from several ways like prevent from outbound connection until there is to do so. Along with enabling firewall, you should also enable web application firewall. This helps your system when any SQL injection is attacked that is directed to web application used to remove the data from database. There are many attacks which are not prevented by firewall and so it becomes important to enable web application firewall.
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Manage Database Access Tightly
For larger organization, access management software is used because this provides users with temporary passwords and they get freedom to access the database when they want. This helps by logging the activities carried at that period and even prevent administrators from sharing passwords. Here the admins finds the sharing passwords and it makes the database more secure.
On top of this, it is wise to ensure standard account security procedures are followed:
- Strong passwords should be compulsory
- Password confusions should be stored encrypted
- The accounts should be locked after three or four login attempts
- Even a procedure should be put in place to ensure that accounts are deactivated when staff leave or move to different roles