You don’t have to be a security wizard to stop this. The "Golden Rule" of modern web dev is simple:
If you’ve spent any time looking at server logs, you’ve probably seen it: a weird string of keywords like UNION ALL SELECT NULL . It looks like gibberish, but it’s actually an attempt to speak directly to your database behind your back. What is this string? {KEYWORD} UNION ALL SELECT NULL,NULL,NULL-- DJGP
In the world of cybersecurity, "DJGP" or similar tags are often used as unique identifiers by automated scanners or bug hunters. When a researcher (or a bot) sends this payload, they aren't looking to steal data immediately—they are looking for a . If "DJGP" shows up in the webpage's output, they know the site is vulnerable and can be exploited. How to Stay Safe You don’t have to be a security wizard to stop this
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. What is this string
Instead of building strings, use prepared statements. This treats input as "data" rather than "executable code."