

Welcome to the Redguard Mobile CTF @ Insomni'hack
Test your skills at Memory ...
We tasked mobile app developers to code a new version of the classic memory game and bring this classic to the next level 🚀.
Unfortunately, they took app security not that seriously and made a few mistakes along the way. After all, why develop secure mobile apps when the platforms take care of security? 😉
... and mobile app hacking
Help us find all vulnerabilities in the mobile app. Use different techniques to find them.
For additional inspiration, we recommend using the OWASP Mobile Application Security tools.
Find as many flags as possible in the mobile app and then submit them here.
Make sure to read the instructions (and the rules) first!
The app is based on the MAS Reference App. If you want to find out more, you are welcome to download the source code.
Win Amazing Prizes
Compete and win the following prizes:



The CTF will be public until next Sunday (2025-03-16). Then we will declare the winner and inform them via email.
May the force be with you, always.
Have fun
If you encounter any issues, feel free to reach out to the admins (Miguel / Stefan).
And most importantly, have fun!