Seeing {KEYWORD} UNION ALL SELECT in your logs is a reminder that the internet is always "knocking on the door." By using modern coding practices, you make sure that door stays locked.
Instead of building strings, use prepared statements. This treats input as "data" rather than "executable code." {KEYWORD} UNION ALL SELECT NULL,NULL,NULL-- DJGP
While this might seem like just a string of code, it’s actually a great jumping-off point for a blog post about and database protection . Beyond the Payload: Understanding SQL Injection and "DJGP" Seeing {KEYWORD} UNION ALL SELECT in your logs