We have all our instances in a VPC so nothing is available without a VPN. (Openvpn, on phone, laptop, built into the wifi router for everyone else). Once any se

We have all our instances in a VPC so nothing is available without a VPN. (Openvpn, on phone, laptop, built into the wifi router for everyone else). Once any service for our firm onlt is set up it is effectively private it we manage our keys. Private IRC is a one line apt get on a server. Close to zero cost from there.