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