{keyword} Union All Select: Null,null,null-- Djgp

You don’t have to be a security wizard to stop this. The "Golden Rule" of modern web dev is simple:

If you expect a zip code, don't accept a string that starts with UNION .

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

Instead of building strings, use prepared statements. This treats input as "data" rather than "executable code."

It looks like you've provided a common SQL injection payload ( UNION ALL SELECT NULL... ) followed by the initials "DJGP." You don’t have to be a security wizard to stop this

: They use "NULL" to figure out exactly how many columns your database table has without triggering a data-type error.

: This is SQL shorthand to comment out the rest of the legitimate code, ensuring the injected command runs cleanly. The "DJGP" Element It looks like gibberish, but it’s actually an

Tools like Sequelize, Eloquent, or Entity Framework handle much of this protection for you by default. The Bottom Line