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

: Use prepared statements so the database treats input as data, never as executable code.

: 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.

: An attacker could use a much longer delay or a loop to tie up database connections, effectively performing a Denial of Service (DoS) attack. {KEYWORD}';WAITFOR DELAY '0:0:5'--

: Ensure the database user account used by the web application has the minimum permissions necessary.

: The single quote attempts to close the string literal in the original SQL statement. : Use prepared statements so the database treats

: 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.

The string you provided, {KEYWORD}';WAITFOR DELAY '0:0:5'-- , is a classic example of a payload designed to test for "Time-Based Blind SQL Injection" vulnerabilities. Technical Breakdown : Ensure the database user account used by

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