Chapter Activity: “Encrypt Like a Spy”

Instructions:
1️⃣ Go to https://cryptii.com.
2️⃣ Choose “Caesar Cipher.”
3️⃣ Write a short sentence (e.g., “Cybersecurity is power”).
4️⃣ Shift by 3 and copy your encrypted message.
5️⃣ Exchange with a classmate and try to decode theirs.

Extension:
Experiment with Base64 or Binary encoding to see how computers convert data to numbers.