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Transcript

Steganography

Bethany Smoot

Conclusion

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Introduction

Hi, my name is Bethany Smoot, and today I'm going to teach you about Steganography.The reason I chose this topic is because my dad works with Steganography and I found it very interesting. Thank you for being here, and I hope you enjoy my presentation!

What is Steganography?

What is Steganography

- the practice of concealing info within a message, video, image and more

- main purpose is to tell/show something without others seeing

-used along with Cryptography

-comes from Greek word "Steganographia"

Picture

Example of Steganography

This is an example of Steganography. It is a code inside a picture.

Who invented Steganography?

Who invented Steganography

-Johannes Trithemius invented it

-designed to be hidden from people he didn't like

-earliest examples of Steganography involved a Greekman, Histiaeus

-he shaved and tattooed a message to someone's head

-his hair grew back and he sent him off to send the message.

Johannes Trithemius

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Why is Steganography important?

-high tech companies use it

-they use it hide messages from enemies.

-also used to keep info secure

-used since B.C era to today

Why is it important

Conclusion

Conclusion

When I was learning about Steganography I learned so much. I learned that it helps the world, and it's so important. I loved learning about Steganography and I hope you did too! Thank you for being here . Thank you and I hope you enjoyed my presentation.

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