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+# Vigenere Cipher
+
+**Tier:** 1-Beginner
+
+The rate and impact of security breaches in recent years makes it imperative
+that developers understand the methods bad actors use to compromise apps. 
+Understanding how an app can be compromised is the first step in coming up 
+with effective protection measures.
+
+One of the easiest ways bad actors can compromise an app is to access
+data that's left unencrypted by the developer. There are a number of strong
+encryption algorithms available to ensure that data is not readable even if
+access is compromised. These include AES, Blowfish, and TripleDES to name a
+few. 
+
+However, these algorithms can be quite complex to implement so the objective
+of this app is to implement a classical encryption algorithm, the Vigenere
+Cipher to learn the basics of how ciphers work.
+
+### Requirements & Constraints
+
+- Developers should use only native language features to implement the Vigenere
+Cipher. Libraries are not allowed.
+- Developers should design and implement their own solution using only the
+description of the steps in the Vigenere Cipher algorithm.
+- After successfully implementing this algorithm Developer should ask
+themselves these questions:
+    - Would you feel confident encrypting your financial information using the
+    Vigenere Cipher? Why?
+    - How would you detect that a message had been encrypted using the
+    Vigenere Cipher?
+    - How would you go about trying to crack this encryption?
+
+## User Stories
+
+-   [ ] User can see the app window with these components:
+    - Plain text message input field
+    - Encryption key input field
+    - Action buttons - 'Encrypt' and 'Decrypt'
+    - Resulting encrypted or decrypted message
+-   [ ] User can enter the text to be encrypted in the plain text message input
+field
+-   [ ] User can enter the Encryption key the Vigenere algorithm will use to
+encrypt the plain text message.
+-   [ ] User can click see see the 'Decrypt' button disabled until the plain
+text has been encrypted.
+-   [ ] User can click the 'Encrypt' button to encrypt the plain text message
+-   [ ] User can see the encrypted message displayed in the result field.
+-   [ ] User can see the 'Decrypt' button enabled after the encrypted message
+has been displayed.
+-   [ ] User can click the 'Decrypt' button to decrypt the encrypted message
+and to display its contents in the result field.
+
+## Bonus features
+
+-   [ ] User can see a 'Compare' button after decryption that compares the 
+original plain text message with the decrypted message
+-   [ ] User can see an error message if the 'Compare' detects differences
+in the contents of these two fields.
+
+## Useful links and resources
+
+- [Bad Actors](http://solutionsreservoir.com/resources/introduction-to-cybersecurity/part-1-cybersecurity-overview)
+- [Vigenere Cypher](https://www.geeksforgeeks.org/vigenere-cipher/)
+
+## Example projects
+
+[Vigenere Encryption](https://codepen.io/max1128/pen/VdyJmd)
diff --git a/README.md b/README.md
index 3557dcdb..899988b6 100644
--- a/README.md
+++ b/README.md
@@ -68,6 +68,7 @@ required to complete them.
 | [Slider Design](./Projects/Slider-Design.md)                           | Display images using a slider control                     | 1-Beginner |
 | [🌟Stopwatch App](./Projects/Stopwatch-App.md)                   | Count time spent on activities                            | 1-Beginner |
 | [TrueOrFalse](./Projects/True-or-False-App.md)                         | Identify the result of a conditional comparison           | 1-Beginner |
+| [🌟Vigenere Cipher](./Projects/Vigenere-Cipher)                        | Encrypt text using the Vigenere Cypher                    | 1-Beginner |
 | [Wind Chill](./Projects/Windchill-App.md)                              | Calculate the windchill factor from an actual temperature | 1-Beginner |
 | [🌟Word Frequency](./Projects/Word-Frequency-App.md)                   | Calculate word frequency in a block of text               | 1-Beginner |