Why we need Security??
There is a lot information in our computer, these data are store in text file or database. Security is needed to against unauthorized person.
Principal that must have in Security
C- Confidentiality ( Data Privacy )
I - Integrity ( Data is original )
A - Availability ( Can access the data )
Type of attack
- Interruption Attack - Mesej x samapi kpd receiver
- Interception Attack - Mesej yg di hantar di ketahui oleh attacker
- Modification Attack - Attacker mengubah mesej asal
- Fabrication Attack - Attacker hantar mesej kpd receiver tetapi sender x tahu apa-apa
Type of hacker
- White hat - hacker just tgok2 sistem @ network ( eavesdropping )
- Cracker ( web defacement )
- Gray hat - Hacker saja nak test power kat system @ network
- Kevin Mitnick
- Linus Banedick Torvalds
- Richard Mathew Stallman
- Ed Skandis
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