Low Cost Open Source Spectrum Monitoring

Explore low-cost open source spectrum monitoring techniques in this 31-minute conference talk from the Hack In The Box Security Conference. Learn how to track wireless devices within your organization's infrastructure using affordable Software Defined Radio (SDR) platforms. Discover how to rapidly sweep frequencies from 0MHz to 6GHz in just 0.75 seconds using HackRF, creating a near real-time picture of radio usage. Delve into the interpretation and analysis of collected data, focusing on building tools to detect rogue devices and secure your environment. Gain insights into freely available open-source tools for monitoring, analyzing, and tracking down radio signals. Understand key concepts such as tuning range, frequency range, resolution, power threshold, and FFT processing. Led by Dominic Spill, a senior security researcher and Bluetooth security expert, this talk provides valuable knowledge for enhancing your organization's wireless security posture.

Introduction
What is Spectrum Monitoring
How to do Spectrum Monitoring
Satmap
Tuning Range
Frequency Range
Resolution
Power Threshold
Receiving Data
FFT error
Inverse FFT
InIn Spectrum
Conclusion
URLs
Frequency Gaps