If you are a little familiar with hackers, you know that these talented people only want to get whatever they want as soon as possible, and in this way, they remove any obstacle and do not allow anything to stop them achieving their goal, in fact, as security progresses, the methods they use in order to disrupt security improves as well, so they try to update their information in this field, and they never give up trying to achieve their goal, one of the most common method among hackers is SQL injection , which many of hackers use it to infiltrate various sites in order to access a lot of information through it, of course, site owners are trying to increase the security of their information by taking various measures which can help them in this way.

What is SQL injection?

One of the most common types of hacking methods is attacking sites, in which hackers use existing tools to investigate security vulnerabilities as well as existing coding problems, and ultimately, attack the system security through these ways, this method is very simple and even novice hackers can use it in order to access the information on the sites, weaknesses in web code can also indicate root access to web servers, which can lead to attacks on other network servers.In fact, SQL stands for Structured Query Language, which allows hackers to gain access to a lot of information, this attack can also disrupt firewalls, which ultimately let them achieve their purpose, and you should be aware that any form of web that is not properly encrypted may allow hackers to access your data by injecting SQL, it should be noted that hackers are very interested in this method and frequently use it in order to hack different systems.

Types of SQL Injection:

- In-band SQLi (Classic SQLi):

Two common types of this injection are Error-based SQLi and Union-based SQLi.

- Inferential SQLi (Blind SQLi):

Two types of this injection are Boolean-based (content-based) Blind SQLi and Time-based Blind SQLi.

- Out-of-band SQLi

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