Network Security

Network Security

1. Physical Security

2. Passwords

   • A sequence of letters and numbers that must be used to gain admission to a place

3. Anti-Virus

4. Encryption

   • You use encryption to scramble our data
   • Decrypt (unscramble): we use a cipher to decrypt.
   • Cryptography means the art of solving codes.
   • We sometimes use encryption to prevent unauthorized access
   • We encrypt messages by
   • Key
     • Key is the way to decrypt the message usually Cipher helps with that
   • Decryption
     • Decryption is to make encryption messages or data not encrypted

5. Firewall

6. Decryption

   • Decryption is to make encryption messages or data not encrypted