Sleep(5)# | {keyword});select
A good WAF can detect and block "sleep" patterns before they ever reach your server.
If the site hangs for 5 seconds, the attacker knows the database executed their code. {KEYWORD});SELECT SLEEP(5)#
The keyword you provided, "{KEYWORD});SELECT SLEEP(5)#" , is a classic example of a payload. It is designed to test if a database is vulnerable by forcing the server to "sleep" (pause) for 5 seconds before responding. A good WAF can detect and block "sleep"
Understanding how these payloads work is the first step toward building a more secure web. Have you seen these patterns in your server logs lately? Let’s talk about it in the comments. It is designed to test if a database
Don't let your database be put to sleep. The best defense is simple:
At first glance, it looks like gibberish. However, to a misconfigured database, it’s a set of instructions:

