Basic Data Communication

Mempunyai 5 komponen

1. ·         Sender
2. ·         Receiver
3. ·         Medium @ media = perantaraan
4. ·         Protokol = tatacara (http)(htp)(UTP)
5. ·         Message = data yang dihantar

Security Attack

Modification Attack

interuption Attack

Fabrication

Intrerception Attack

 

Security Goal/Matlamat

1. Confidentiality  =  Rahsia
2. Integrity             =  Jujur
3. Authencity         =  Keaslian