In this section we will talk about net intrusion, that is, all phenomena that put the net in danger. We will try to list and describe the main menaces and the techniques to prevent them.
When talking about net security [I1]
[I2] [I3] [I4] [F1] [F2] [F3] [S1] [E1] [E2] [E3] the basic idea is the following: security needs to consider net infrastructure, organization, flow relations, and interaction between trusted and untrusted world.
Furthermore, net security is also related to human behaviour. Total net security of computer science is difficult to reach. This becomes even less possible if there are uncontrollable and unforeseeable variables among which the “human factor” is extremely important
