security

security

1. physical security

   • can stop unwanted people from accsessing the hardware. for example a lock.
     • so people cant steal passwords and steal hard drives with account details on.

2. fire wall

   • used to stop data being sent out or received by the computer.
     • so you don't get viruses and bad stuff for you computer.

3. local area nework

   • are computers which are linked together in a small area(e.g. a school)
     • so you dont have to go to a specific computer to do work.

4. wide area network

   • are computers which are linked together across a larger space (e.g. the internet)
     • so you can go on games and websites

5. server

   • Is used to share files, programs and can also manage the security and logins of the network.
     • so you can share stuff and programs because then not every computer dose'nt have to download anything

6. Encryption

   • used to scramble data being sent over a network so that it can't be read unless you have the key.
     • so people cant see what your talking about and details.

7. passwords

   • Is needed to stop another person from logging into your account.
     • so people can't get into your accounts e.g. banks, emails and websites.

8. user access levels

   • different users have different privilages.
     • because if someone who wasn't allowed might not be able to do downloading stuff might download something not allowed

9. decryption

   • used to unscramble data so you can read encripted messages .
     • so if someone sent you a email you can decrypt it so you can read it.