network security

network security

1. password

   • characters
     • 8+ if you're over the age of 12
     • 6+ if youre under the age of 12
   • alpha numerical mix
     • use symbols to strengthen your password
     • use letters to strengthen your password
     • use numbers to strengthen your password

2. encryption

   • Encryption allows you to make a device or something else need a key or password to enter
   • To encrypt a message you need a cipher
   • To decrypt a message you need to use a key
   • We use encryption to make personal details/information allowable to only a certain group of people
   • You can tell if a website is using encryption if it has https:// with a padlock at the beginning of the link
   • The reason some websites don't use encryption is because they are websites that don't have personal details and are free to use
   • Encryption we use in everyday life is websites like facebook whatsapp and websites like that

3. physical strength

   • Physical strength is like a wall so intruders can't get in
   • It is like a door that can only be opened from one side

4. firewall

   • Can send and receive data packets
   • Used when program is trying to connect to another network
   • Used to help protect a computer from an intruder
   • Prevents harmful data from entering your computer

5. anti virus

   • Anti virus scans the computer periodically
   • Quarantines any programs or files that are harmful
   • Should be used when downloading information from the internet
   • Needs updating regularly so it knows all the new threats
   • Protects against malicios software
   • Should be used on email and attachments