Network Security

Network Security

1. Encryption

   • What does Encryption do?
     • Encryption uses shapes, numbers or symbols too write a secretive message.
   • How do you encrypt a message?
     • Too encrypt a message you will need a cipher.
   • How do you decrypt a message?
     • You can decrypt a message by using a key.
   • How can you tell if a website is using encryption?
     • In the search bar there will be a lock with the writing secure next to it and https.
   • Why don't all websites use encryption?
     • They don't all use encryption so that the government can see when something is wrong for evidence.

2. Anti-virus

   • You need anti-virus to stop viruses from getting into your computer and deleting files.
   • Anti-virus needs to scan your computer periodically so that it knows if anything needs updating or if there are any major problems.
   • If you did not use anti-virus or firewall you could get files deleted by viruses, hackers could get into your computer and it would eventually stop working.
     • Your school could loose important data.

3. Firewall.

   • You need firewall to quarantine what to let into your computer to stop anything from hacking you.
   • We need to control which programs can receive data packets because if a program had a virus with it, you would be risking your computer by potentially either getting it hacked or overloaded with viruses.

4. Passwords

   • Passwords are used to keep certain people out of access of your electronic devices.