{keyword}') Union All Select Null,null,null,null,null,null,null-- Hofz (QUICK ⇒)

: A WAF can often block these types of patterned attacks automatically.

: This part attempts to "break out" of a standard SQL query. It uses a closing quote and parenthesis to terminate whatever the original developer intended the query to do. : A WAF can often block these types

: Ensure all data entered by users is cleaned and validated before it hits your database. : Ensure all data entered by users is

If you found this in your website's logs, it means someone (or an automated bot) was . It is a common sign of a "SQLi" attack. To protect your application, you should: To protect your application, you should: : This

: This is likely a "canary" or a unique identifier used by automated security scanners to confirm if the injection was successful. What should you do?

The string you provided is a . Specifically, it is designed to exploit a vulnerability in a database-driven application to extract unauthorized data.

Are you seeing this in your , or are you testing the security of your own code ?