What do you mean by firewall layer? What tools do you use here?
So yes it does include prompt injection, but is a bit broader. Data Leakage is one that several customers have called out, aka accidentally leakage PII to underlying models when asking them questions about your data.
I'm evaluating tools like Private AI, Arthur AI etc. but they're all fairly nascent.
My email is beady.chap-0f@icloud.com