We can partially thank Caesar that our e-mails are secure! Viewers learn how encryption and public key cryptography keep our communications safe over the Internet. The video also briefly covers the history of ciphers, such as the Caesar cipher.

Concepts

the internet, cryptography, cipher, technology resources

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Instructional Ideas

• Have learners send secret messages to each other using the Caesar cipher
  

Classroom Considerations

• Pupils should have familiarity with SSL and TLS
• Builds on knowledge from previous videos in the playlist
  

• This video is hosted on YouTube

Pros

• Well-paced video
• Explanations are clear and concise
  

Cons

• None