-9108 Union All Select 34,34# -

Attackers use the operator to append their own data to your query results. By using a non-existent ID like -9108 , they ensure the original data is hidden, leaving only their injected values (the 34,34 ) visible. The # at the end simply comments out the rest of your original code to prevent syntax errors.

This is a textbook SQL Injection test. The attacker is trying to see if they can manipulate your database output. If you see "34" pop up where a username or product should be, you’ve got a vulnerability. -9108 UNION ALL SELECT 34,34#

Here are three post drafts tailored for different audiences. Option 1: Educational (Cybersecurity 101) Attackers use the operator to append their own