Mega'and(select*from(select Sleep(2))a/**/union/**/select 1)=' Direct

: Ensure the database user account used by the web app only has the minimum permissions necessary (e.g., it shouldn't be able to drop tables or shut down the database).

: This is the core of the attack.

: A WAF can detect and block common patterns like sleep() or union select before they even reach your server. : Ensure the database user account used by

: This tells the database to wait for 2 seconds before responding. : This tells the database to wait for

The string you provided is a classic example of a payload designed to test for vulnerabilities in a web application's database. The goal of this specific string is to

Specifically, this is a attempt. The goal of this specific string is to force the server to "sleep" (pause) for a set amount of time, allowing an attacker to confirm if the input is being executed directly by the database. Breakdown of the Payload

: Change prices in a store or wipe the entire database. How to Prevent This (The Guide)