Intrepidus Apps

Verify if One-Time Counters (OTP) are changed on a NFC Ultralight card. THIS APP ONLY WORKS ON PHONES WITH NFC! UltraCardTester will show you the OTP …

This is an app that goes along with the Lesson 8 of IG Learner app. While you don't absolutely have to use this app to solve the challenge, I stil …

This is a "capture the flag" style trainer app that will help familiarize you with the basics of Android security. The application is divided into les …