Computer network security

Computer network security

1. Firewall

   • Firewall controls sent data packets from coming in and out from the computer. If the computer program wants to receive the data packet the firewall will let it through but if the computer program doesn't give permission for the data packet to come through it won't.
   • computer program

2. Passwords

   • CAPS LOCK
   • Numbers
   • At least 6 characters long.
   • Symbols

3. Encryption

   • Cypher
     • The order of numbers/letters
   • Key
   • Encryption allows people to communicate without anyone else knowing. To understand the cypher sent you will need a key.

4. Physical security

   • Locks
   • cctv cameras
   • Guards/security

5. User access levels

   • Administrater
   • member
   • Public
   • The user access levels have groups in which different users have different permissions and rights to access different features.