: Developers prevent this by using parameterized queries (prepared statements), which ensure that the database treats the entire string as literal text rather than executable code.
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 is a "tautology"—a statement that is always true. How the Attack Works : Developers prevent this by using parameterized queries
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 How the Attack Works The phrase "{KEYWORD} AND
: This represents a legitimate search term or data field (like a username or product ID) that the web application expects to receive.
: Automated tools often use specific numbers like 4477 to "fingerprint" a site and see how it responds to logical tests.