- Instrusion or break in, that is someone access our network without our permit
- Theft to secret data/ valuable
- Tapping to data which we send
- Virus and of Worm which intend to destroy our computer software and degrade the quality of our network.
Causes the happening of attack to our network:
- Simple password
- Data Traffic which do not be arranged to access him
- Physically network we do not protect by for example put down router any place
- Letting physical which is not peaceful and rentan walk without protection which enough.