This blogpost is intended to help minimize the impact of a cyber attack. First, the process of a typical attack is shown. We then explain what the separation of networks means in theory. Finally, concrete practical measures are shown on how networks can be separated sensibly.

A large proportion of the security incidents that paralyse entire companies and organizations today originate in a malicious e-mail. As attackers become more sophisticated, the risk of becoming a victim of an e-mail cyberattack increases.