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about. SQL Injection is a code injection technique that attackers use to manipulate your database by inserting malicious SQL statements into your application’s input fields. This can lead to unauthorized access, data theft, and even complete database compromise.

To protect your SQL database from SQL Injection attacks, there are several best practices you should follow:

1. Use Parameterized Queries: Instead of directly concatenating user input into your SQL statements, use parameterized queries or prepared statements. This way, the user input is treated as data rather than executable code, preventing SQL Injection.

2. Validate and Sanitize User Input: Always validate and sanitize user input before incorporating it into your SQL statements. Use server-side validation techniques like input filtering and regular expressions to ensure the input is safe and adheres to the expected format.

3. Limit Database User Privileges: Grant the minimum necessary privileges to your database users. Avoid using a superuser account for normal application operations. This way, even if an injection occurs, the attacker will have limited access to the database.

4. Implement Web Application Firewalls: Consider using a web application firewall (WAF) to identify and block SQL Injection attacks. A WAF can analyze incoming requests and filter out malicious SQL statements before they reach your application.

5. Keep Software Up to Date: Regularly update your web application framework, database software, and other dependencies to patch any security vulnerabilities. Many security breaches happen due to outdated software versions.

Remember, preventing SQL Injection is an ongoing effort. Stay informed about the latest attack techniques and security best practices to keep your SQL database secure.

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