What is a common method used to prevent SQL injection attacks in web applications?

Preventing SQL Injection Attacks in Web Applications

One common method used to prevent SQL injection attacks in web applications is input validation. This involves verifying and sanitizing user input before using it in SQL queries. By validating user input and making sure it meets the expected format, length, and data type, developers can minimize the risk of malicious SQL injection attacks.

Another important technique is the use of parameterized queries or prepared statements. This method allows developers to define SQL queries with parameter placeholders, which are filled in with user input at execution time. This approach helps to separate SQL code from user input, preventing attackers from injecting malicious SQL code.

By implementing proper input validation and using parameterized queries, developers can strengthen the security of their web applications and protect against SQL injection vulnerabilities.