-6325) Union All Select 34,34,34,34# -

: This is the heart of the attack. The UNION command tells the database to combine the results of the original query with a new one created by the attacker.

: The attacker starts with a value that likely doesn't exist (like a negative ID number) and uses a closing parenthesis ) to "break out" of the original developer's hidden query. -6325) UNION ALL SELECT 34,34,34,34#

SQL Injection is a vulnerability where an attacker "injects" malicious SQL code into an input field (like a login box or a search bar). If the website isn't properly protected, the database executes this code as if it were a legitimate command. Breaking Down the Payload Let’s take apart the specific code you provided: : This is the heart of the attack

The Anatomy of a Payload: Understanding "-6325) UNION ALL SELECT..." SQL Injection is a vulnerability where an attacker

Once an attacker confirms the number of columns using placeholders like 34 , they swap those numbers for sensitive commands. Instead of 34 , they might ask for user_passwords or credit_card_numbers . How to Stay Safe