I feel like coinbase is the safest place for me to keep my bitcoins; they're doing everything I'd love to do and more, but don't have time for. I would love to

I feel like coinbase is the safest place for me to keep my bitcoins; they're doing everything I'd love to do and more, but don't have time for. I would love to know an outline of; - How you segregate access to offline funds from staff members who don't require access - Coinbase development process and how it helps you minimize releasing security issues :-)