Network Security

Network Security

1. Password

2. Firewall

   • Used to help protect a computer network from indruders
   • Controls which programs can send an receive data packets
   • Used when programs is trying to connect to another network
   • Prevent harmful data entering your computer

3. Anti Virus

   • Anti Virus need to scan your computer regularly because the anti virus need to check if any viruses Exsit
   • Scans the computer periodically
   • Needs updating regularly to make sure that it knows the latest threats
   • Quarantines any programs or files which are harmful
   • Should be used on email attachment and downloading files
   • Protects against malicious software
   • Should be used when downloading new software from the internet

4. Physical Security

5. Encryption

   • Cipher
     • Cipher is the way of writing a secure code
   • Encryption is away to lock or prevent unauthorized people
   • Key
     • Key is the way to decrypt the massage usually Cipher helps with that
   • Encryption protects codes and text from any unauthorized users
   • You can encrypt a massage by making a Cipher that you can follow
   • Decryption
     • Decryption is to make encrypted messages or data not encrypted
     • You can decryption
   • We use encryption when we want to protect important data, massages and Accounts
   • If the website has green lock next to the https:// that means it is protected