{keyword}';waitfor Delay '0:0:5'-- Site

: In many modern systems, database errors are hidden from the user. An attacker cannot see "Success" or "Error" messages.

: If the website takes exactly 5 seconds longer to load than usual after this input, the attacker knows the application is vulnerable to SQL injection. {KEYWORD}';WAITFOR DELAY '0:0:5'--

: This character acts as a statement terminator, allowing a second, malicious command to be executed immediately after. : In many modern systems, database errors are

: Deploy a WAF to detect and block common SQL injection patterns automatically. : In many modern systems

: This is a specific T-SQL (Microsoft SQL Server) command. It instructs the database engine to pause execution for exactly 5 seconds before returning a response.