Mega'and(select 1)>0waitfor/**/delay'0:0:2 Now

This technique is called "blind" because the database doesn't return actual data or error messages to the attacker's screen. Instead, the attacker observes the of the website: The attacker sends the request.

If you are seeing this in your web server logs, it means someone—or an automated scanner—is probing your site for security weaknesses. Developers typically prevent these attacks using or prepared statements , which ensure that user input is never executed as code. MEGA'and(select 1)>0waitfor/**/delay'0:0:2

: This is the core instruction for the database. It tells the server to pause for exactly 2 seconds before responding. This technique is called "blind" because the database

: This is a logical condition that is always true. In a blind injection attack, hackers use such conditions to determine if their injected code is being executed. Developers typically prevent these attacks using or prepared