Good summary of DDOS using IP Spoofing and useful for your incompetent line managers who probably doesn’t understand (or have time to learn) such things.
Why is IP Spoofing a thing?
The attacks discussed so far rely on IP spoofing. But why is IP spoofing even possible?
It’s a side effect of the design of the internet.
The real cause of large DDoS – IP Spoofing : https://blog.cloudflare.com/the-root-cause-of-large-ddos-ip-spoofing/