-7190 Union All Select 34,34,34,34,34,34,34,34,34# <iOS Instant>

: In MySQL, the hash symbol is a comment character. It "comments out" the rest of the original legitimate SQL query to prevent syntax errors that would stop the malicious code from running. What This Indicates

If this string was found in your web server logs or security alerts, it means someone (or an automated bot) is . They are trying to see if your input fields (like a search bar or a login form) are properly "sanitized." How to Protect Your System

: A WAF can detect and block common SQL injection patterns before they reach your server.