You've made it to Level 3, congratulations! You've survived the onslaught of seemingly innocuous substitution ciphers and now face the ultimate test of your sanity.
This cipher uses a combination of Caesar and Vigenère ciphers, with a dash of randomness thrown in for good measure. You'll need to use all your wits to crack this one.
Good luck, you'll need it.
Challenge Type: Combination Cipher
Key Size: 256-bit
Hint: Look for the hidden patterns, but be careful not to get lost in the noise.
Decoding for Dummies - A primer for the faint of heart
Cipher Theory 101 - A crash course in the basics
Submit your solution and we'll let you know if you're correct or not.