{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.

: Automated tools often use specific numbers like 4477 to "fingerprint" a site and see how it responds to logical tests. {KEYWORD} AND 4477=4477

: This is a logical operator used to join two conditions. : This represents a legitimate search term or

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 (prepared statements), which ensure that the database treats the entire string as literal text rather than executable code.