In this post, I’ll go over how to decrypt your own 2G GSM SMS messages by pulling encryption keys off your SIM card and processing the data with gr-gsm.

A practical look at 2G GSM security after three decades

How to get root on nontraditional Android devices by patching the adbd binary.

Reverse engineering a children’s smartwatch, and discovering some unexpected “features”.

Autonomous vehicles are becoming closer to reality, and the technologies developed to support them have already started hitting the market. I set out to see if I could find any real-world deployments of these systems.

This post walks through the processes of building a passive IMSI catcher. The purpose of this post is to be educational - to highlight the ease of which these devices can be built, and to practically show how privacy is already being compromised today.

This is a map of amateur radio repeater stations in Norway. Data was obtained from norvhf.no, and last updated 6. December 2020.

A while back I decided to no longer use the router given to me by my ISP. You may want to consider doing the same.

This post walks through setting up a CAN controller on the Raspberry Pi. My goal is to help demystify the process, and provide simple instructions that a relative beginner should be able to follow. Particularly, including information that I wish was more readily available when I started with the project. By the end of this tutorial you should have a working CAN controller connected to the Raspberry Pi via the SPI bus. Read more...