Encryption

Encryption

1. You decrept a message with the key because it has the meaning or all the numbers

2. We use encryption when we have a message that no one can know or in war or something like that.

3. Encryption hides secret messages

   • it hides it with numbers
   • with out a key you will never know what is means

4. You encrypt a message by using numbers instead of letters.

5. firewall

   • Firewall is needed because it protects you against unknown files or dangerous files that can break your computer and it protects against hackers

6. anti virus software

   • we need anti virus software because it protects your computer against viruses.Anti-virus software is designed to detect and block attacks from malware.