web application security

What are good resources for refreshing PHP, OOP, design principles, and web security?

I've been programming for a while, but I feel like my understanding of web application development and software design has gotten rusty. I'd like to rebuild a solid…

How Do SQL Injections Work?

I'm trying to wrap my head around SQL injections and how attackers manage to exploit them. If a database requires authentication, how do these malicious actors retrieve data…