Onof | {keyword} Union All Select 34,34,34,34,34,'qbqvq'||'oqmufbfpih'||'qqbqq',34,34,34--

This is the #1 defense. It ensures the database treats input as literal text, not executable code.

If you found this in your website logs, email subjects, or contact forms, someone (or more likely an automated bot) is . They are looking for "entry points" where user input isn't properly cleaned before being sent to the database. How to protect your data This is the #1 defense

: This is a comment operator in SQL. It tells the database to ignore the rest of the legitimate code that follows, effectively neutralizing any security checks at the end of the original query. Why you might be seeing this or contact forms