Stuck with a non-technical manager

I work in a small startup with a team of 3 security engineers reporting to a manager. Our manager is responsible for security of whole company (IT, product security , infra security and app security) . He was hired 8 months ago (after 2 of us) .
We all have observed that he got no background in security and doesn’t understand even basics. We explain him the stuff and he would forget next day. This causes him to hugely miscommunicate …

app cybersecurity engineers infra manager non product product security reporting responsible security startup team technical work