{keyword}');select Sleep(5)# Now

Malicious use of SLEEP() can lead to Denial of Service (DoS) by overloading the database with connection requests [3]. How to Prevent This Attack

Ensure the database user account used by the web application has limited permissions. {KEYWORD}');SELECT SLEEP(5)#

If the payload works, an attacker can replace SLEEP(5) with more complex queries (e.g., IF(SUBSTRING((SELECT password FROM users),1,1)='a', SLEEP(5), 0) ) to extract data character-by-character based on whether the server pauses [3]. Security Implications Malicious use of SLEEP() can lead to Denial

: This is the malicious command. It instructs the database to pause or "sleep" for 5 seconds before responding to the query [2, 3]. Security Implications : This is the malicious command

: This attempts to prematurely close the original, legitimate SQL query statement intended by the developers [2].

: This is a comment character in MySQL. It tells the database to ignore the rest of the original SQL statement, ensuring the injected command doesn't cause a syntax error [1]. Purpose: Blind SQL Injection

: This represents the legitimate input field or parameter in a web application (e.g., a search box, user ID field, or URL parameter) [1].