Cryptography Challenge
Decrypt messages, level up your skills, and see real cyber careers.
Level: 1/3
Score: 0
Streak: 0
Encoded message
...
Tip: Don’t worry about punctuation. Focus on letters/words.
Progress
Enter to check
Cipher helper
Caesar Cipher
Shift each letter by a fixed number.
A→D, B→E, ...
Why this matters
Cryptography is used to protect data in:
- Websites (HTTPS)
- Messaging apps
- Banking & payments
- Passwords & logins