{keyword} — And 4477=4477

Because 4477=4477 is always true, the database treats the entire condition as valid. If the application returns the same result for this query as it does for a normal search of just {KEYWORD} , the attacker knows the application is . They can then replace 4477=4477 with more dangerous commands to steal passwords, delete data, or bypass login screens. Why This Matters

When a web application is not properly secured, it might take this text and insert it directly into a database query. For example: {KEYWORD} AND 4477=4477

: This represents a legitimate search term or data field (like a username or product ID) that the web application expects to receive. Because 4477=4477 is always true, the database treats

: This is a "tautology"—a statement that is always true. How the Attack Works Why This Matters When a web application is