Cybersecurity October Updates
Nov 5 · 2 min read
Here are some updates to the CodeHS Cybersecurity Course!
Improved Lesson Plans
The following lesson plans have been improved with new discussion questions, timing guidance, and more!
- Digital Citizenship 2.5–2.7
- ABC’s of Cryptography 4.1–4.6
New Activities
The following exercises can be found in the supplemental folder named Simulations.
- Encrypt/Decrypt Simulation: Practice encrypting and decrypting a message using a key.

- Cryptogram Game: Includes easy, medium and hard cryptogram challenges to prepare students for substitution encryption.

- Caesar Cipher Encryption: Create a message and choose an encryption shift (key) to encrypt a message using the Caesar Cipher.

- Decrypt Caesar Cipher: Copy and paste a message that has been encrypted using the Caesar Cipher. Choose the correct key to decrypt the message.

- Improving Vigenère: Create a message to encrypt and a secret keyword or phrase using the Vigenère Cipher. Includes an advanced challenge to add more characters to the cipher to make it harder to crack.

Improved Activities
- 4.3.5 - Decrypting Caesar: Added that this exercise is advanced, included more comments to explain the code shown, and clearer directions.

