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(SQL Injection) SQL injection is a technique used to exploit vulnerabilities in web applications by injecting malicious SQL code into input fields or queries. This can lead to unauthorized access to databases, data theft, or even complete system compromise. To prevent SQL injection, developers should use parameterized queries, avoid dynamic SQL, and ensure proper input validation.

(SQL Injection) In this example, consider a login form where a user enters their username and password. If the application doesn't sanitize the inputs properly, an attacker could inject SQL code like ' OR '1'='1 to bypass authentication.

(SQL Injection) Another common attack vector is search functionality. For instance, if a user searches for something like ' UNION SELECT username, password FROM users, the application might execute this as part of its query, exposing sensitive user data.

(SQL Injection) It's crucial for developers to follow secure coding practices. Using libraries like Hibernate or Entity Framework can help abstract SQL and reduce the risk of injection. Additionally, regular security audits and penetration testing are essential to identify and fix vulnerabilities.

(SQL Injection) In summary, SQL injection remains a significant threat to web applications. By implementing proper security measures and staying vigilant against potential attacks, developers can protect their systems from this dangerous exploit.

(SQL Injection) (SQL Injection)

(SQL Injection)