: They can bypass login screens by injecting code that always evaluates to "True."

: Instead of building query strings with user input, use placeholders ( ? ). This ensures the database treats input as literal text, not executable code.

To protect an application from this specific type of attack, developers should follow these industry-standard practices:

: In some configurations, attackers can run commands to delete tables or modify sensitive financial records. ✅ How to Prevent This

: Attackers can replace the NULL values with table names (like users or passwords ) to steal the entire database.

The string you provided is a classic example of a . This specific snippet is designed to exploit a vulnerability in a database-driven application to bypass security filters and extract unauthorized data.