SQL Injection Definition:
SQL Injection is a type of security Vulnerability that allows attackers to interfere with the queries a website makes to its database, letting them view or manipulate data they shouldn’t have access to.
What is SQL Injection?
SQL Injection happens when user input is used directly in a database query without proper checks. Attackers can inject malicious SQL code into these inputs, causing the database to run unwanted commands like retrieving sensitive information or even deleting data.
Why is SQL Injection important?
It’s a big deal because it can expose sensitive data like passwords, personal info, and financial records. If an attacker gains control, they could steal, modify, or destroy important data.
How does SQL Injection work?
Attackers usually insert malicious SQL code into input fields, like a login box, or through URLs. To prevent this, developers need to validate and sanitise inputs, or use prepared statements that separate user data from SQL queries.
SQL Injection Examples:
A classic example is an attacker typing something like ' OR '1'='1 into a login form. If the website isn’t protected, this could trick the database into letting the attacker log in without a password.
SQL Injection Issues:
SQL Injection vulnerabilities are often easy to Exploit and can cause a lot of damage quickly. The key is to ensure that all user input is properly handled and never directly inserted into a database query.
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