What is a WAF and why should I have one?

This is a question I get all the time… What is a WAF? Since I maintain our WAF for my job, I usually need to educate and convince co-workers, management, application owners about why and how we should deploy our WAF. Let’s start with the objections I usually run into, and why you still should have a WAF, and then dig a bit deeper into what a WAF is really doing.

Myth 1: I have a firewall, I don’t need a WAF!

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