: A placeholder for a standard search term or input value meant to trigger a legitimate database query.
: The attacker is trying to determine how many columns the original database table has. They keep adding NULL values until the page loads correctly without an error. : A placeholder for a standard search term
If you are a or site owner and saw this in your logs, it means someone is scanning your site for holes. To protect yourself, you should always use parameterized queries (prepared statements) to ensure user input is never executed as code. Do you have server logs you need help interpreting, or If you are a or site owner and
If a website processes this string and shows a blank page (or the usual page) instead of an error, it confirms the site is . it confirms the site is .