: This is a "tautology"—a statement that is always true. How the Attack Works
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 {KEYWORD} AND 4477=4477
The phrase "{KEYWORD} AND 4477=4477" is a classic example of a . It is used by security researchers and malicious actors to test if a website's database is vulnerable to unauthorized queries. What the Code Does : This is a "tautology"—a statement that is always true
SELECT * FROM products WHERE category = '{KEYWORD} AND 4477=4477'; They can then replace 4477=4477 with more dangerous
: Automated tools often use specific numbers like 4477 to "fingerprint" a site and see how it responds to logical tests.