Is It the Beginning of Your Database Firewall Protection? Learn the basics!

Is your Data safe?

Protecting some highly intimate information from disclosure is a significant responsibility. According to surveys, over 97% of data breaches are due to SQL injection attacks all over the world. Here’s the brief detail of SQL injection attack and Database Firewall.

What is SQL injection?
An SQL injection attack is nothing other than insertion of an SQL query through the input data from the user to the application.

 

Why do you need to secure your database? & How SQL injection attacks your database?

  • An authorized user, network manager, database administrator or even an unauthorized user can misuse your sensitive data against your company. Might be your rival company use that data to win over you in this competitive market.
  • They can infect your data in such that some data gets changed or deleted, or even deny your authorized access.

A less costly and reliable method is to use a Database Firewall between the database and the applications accessing it.

What is Firewall?
In the field of Computer Security, a database firewall is a type of Web application firewalls that monitor the network traffic through different rules which it applies on each packet. In another word, a firewall guards the database from unauthorized access. At the database layer, a database firewall provides comprehensive data protection by filtering all the traffic in and out of the database.
Mostly, a firewall is placed between a trusted and a less trusted network. And when you want to protect a large network, the firewall software is operated on a dedicated hardware.

How does Firewall protect your database?
Since all the attacks on databases may not be familiar. So, Firewall makes a white list of approved SQL commands that are safe. All the input queries are compared with this, and only those are sent to the database that is present in this list. Also, the database firewall makes a black list comprises of all the potentially harmful SQL statements.

There are various types of Database Firewalls. Some recognize the database, operating system and protocol vulnerabilities in the database while other notify about the suspected activities instead of blocking them. So whatever you choose, just keep in mind that you should allow only those ports to be opened that are required.

 

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