"A computer network with a tight security should be separated from the outside world as much, as it’s possible. It’s often the case. Even if there is a over a dozen of devices(PCs), that play different parts assigned to them in terms of company’s infrastructure, usually there is one that separates them from others, a firewall and a router.
"On the assumption that the company’s policy is not too strict we often have an free access to this kind of devices. It can be various internal services, databases, servers of whatever is necessary to run a current company. What if, after work, when we are home safe and sound, we still need to connect to one of those servers that are not accessible outside the internal network.
