Hacking the Cipher

Let’s learn about basic cipher security!

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Read the challenge description above carefully. When you understand the prompt and feel ready to try the challenge, click the "Begin Challenge" button to start.

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Challenge Description

Ciphers are a super basic way to protect information. This challenge is to find out how to log into this website by cracking a cipher!


In this challenge, we'll ask you to locate a hidden "flag". To find it, you'll need to utilize your problem solving abilities and maybe a bit of code. The flag looks like: flag{some_text_here}. When you find it, you'll need to paste the whole flag in the text box in the header of this page.

This challenge is timed, so read the instructions below carefully before you begin!