Are you seeing this in your , or are you testing the security of your own code ?
: 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. Are you seeing this in your , or
: 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. : This part attempts to "break out" of a standard SQL query
: A WAF can often block these types of patterned attacks automatically. If you found this in your website's logs,
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: