Define computer security

Computers security means protecting our computer systems and the information they contains against unwanted access, damage, destruction or modification. Keselamatan komputer bermaksud memelihara/mengawal sistem komputer dan maklumat daripada dimasuki secara tidak sah, kerosakan, dimusnahkan atau diubahsuai

1. Hardware security
2. Software security/data security
3. Network security

3 bentuk keselamatan komputer iaitu

1. Keselamatan perkakasan
2. Keselamatan perisian / keselamatan data
3. Keselamatan rangkaian