{keyword}') Union All Select Null,null,null,null,null,null,null--: Hofz

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

: This is a SQL comment. It tells the database to ignore everything that follows it (like the original developer's remaining code), which prevents the rest of the legitimate query from causing a syntax error. : 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: If you found this in your website's logs,

: 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? What should you do

: 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.