Network security

Network security

1. Fire wall

   • A fire wall is a wall on your network that stops unwanted data coming into your network like adoor closing and opening
     • You need firewalls to allow or block data to your computer

2. Encryption

   • Encryption is when you send something to someone but you mix up all the letters so nobody can read it only if you have the key on how to re write it
   • You need Encryption to show person detail to people

3. Passwords

   • A password is a mix of letters and numbers to keep accounts secure from other people logging on
   • You need a password to login into your accounts without letting andbody else log into your account
     • People you don't know could get into your account

4. Physical security

   • Is when you have security like a lock on the door to your network room or air conditioning to stop it catching fire.
   • You need this to stop people entering your network physically like unplugging your wires or turning of your data
   • people would get into our network by hand

5. user acsess levels

   • Different people can access different levels of security in a network
     • So people don't download data or view data or send data that you are not supposed to see or send or download