Y8 Cryptography and Viruses

Why do computers encrypt messages?

• To prevent them from being read by the wrong person.
• To make it harder for the person who receives the message to read it
• It is how computers need to send the message
• There is no reason

Before computers why were messages usually encrypted?

• They weren't encrypted before computers
• So in war Commanders/leaders could communicate safely with their troops
• To share messages with people who were clever enough to solve them
• All of these reason

What sort of messages do computers encrypt in today's world?

• Word Documents
• Letters
• Games
• Emails and Texts

When we solve a code what is the process called?

• Encipher
• Decipher
• Mix Down
• Distribute

When solving a code, we need a letter or a word to help us get started, what is this often referred to as?

• Help
• Support
• Key
• Answer

What machine was used during WWII to encrypt and decrypt German messages?

• Enigma
• Atbash
• Secret
• Puzzler

What does this padlock sign mean in the address bar of your browser?

• The site is secure and data is transmitted using SSL
• There is a padlock available for purchase
• The website does not include "safety locks"
• The page is locked down using PHP or ASP scripting

Which of these is the most secure way of data transfer?

• HTTP
• HTTPS

What was the name of the man who led the team that cracked the German's "Enigma Code" in WW2?

• Tim Berners-Lee

• Alan Turing

• Stephen Hawking

• Bill Gates

TRUE or FALSE

Encrypted passwords will provide guaranteed protection from hacking

• TRUE

• FALSE