# Chamele-o-nization — ChameleonUltra Security Research Guide

> In-depth security research guide by Oscar Alfonso Diaz comparing the ChameleonUltra with the ChameleonMini RevE. Covers MIFARE Classic cracking techniques, dual-frequency capabilities, and practical usage for access control security testing.

## Details

- **Difficulty:** advanced
- **Project Type:** tutorial
- **Board Types:** nRF52840
- **Devices:** chameleon-ultra
- **Use Cases:** Security & Surveillance, Education
- **Links:** Blog Url: https://www.hackplayers.com/2025/04/chamele-o-nization.html

## Tags

`nfc`, `rfid`, `security-research`, `chameleon-ultra`, `mifare`, `access-control`, `penetration-testing`, `cracking`

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