Nowadays, humanity is increasingly relying on information and other digital and communication technologies. Whether these are key companies within the energy or banking sectors, public transport, telephone operators, hospitals or governmental bodies, all these entities and bodies are highly dependent on the smooth functioning of their information and communication systems and networks. So, whether we want it or not, the use of digital technologies is now an indispensable part of most processes. However, this enhanced usage goes hand in hand with a continuous increase in the number of cyber-attacks afflicting those entities that have inadequate cyber security protection.