{keyword}' | Union All Select Null,null,null,null,null,null,null,null,null,null-- Ebfu

The string you provided is a classic attempt.

Validating and sanitizing all user-provided data is a secondary layer of defense. If you'd like to dive deeper, I can:

Modern applications prevent these attacks using (Prepared Statements). Input is treated as data , not executable code. The string you provided is a classic attempt

Discuss the difference between and Blind SQL injection.

: Comments out the rest of the legitimate SQL code so it doesn't execute and cause an error. Input is treated as data , not executable code

: Combines the results of the original query with a new query.

It looks like you’ve included a in your request. If you are interested in how these vulnerabilities work and how to prevent them, 🛠️ Breakdown of the Injection : Combines the results of the original query

: Attempts to break out of the existing text string in the database query.