It’s 2018 and many people are still using unencrypted wireless communications in critical systems. We will review how to build a robust and open signals intelligence (SIGINT) platform. As a proof of concept we show the platform capturing the pager bands. The talk will focus on how we demodulate, decode and analyze pages across the entire band using a Raspberry Pi. We will cover some SDR-related design and development issues, discuss DSP and other sundries in basic detail. We’ll also make a few observations about unencrypted communications today, using data captured in midtown Manhattan. Finally, there will be a discussion of some other applications that the same capture infrastructure can be used for, including some we’ve been building.
We’ll also run a real-time capture during the talk, showing what can be seen around the conference venue–all using a single Raspberry Pi.
Team MILK (Phil Vachon (@pvachonnyc) and Andrew Wong) is a spectrum-curious duo of signal hoarders. Fascinated by the unexpected order in the chaos of the aether, they’ve built a platform to capture, decode, and analyze various radio signals to satisfy their data fetish. Their current project started with the pager spectrum, covering multiple geographic areas. There’s a good chance they spent too much time staring into the abyss. Greets to the remaining IRC refuges. Hello to the Nefarious Five, we own the night.
Team MILK (Phil Vachon (@pvachonnyc) and Andrew Wong) is a spectrum-curious duo of signal hoarders. Fascinated by the unexpected order in the chaos of the aether, they’ve built a platform to capture, decode, and analyze various radio signals to satisfy their data fetish. Their current project started with the pager spectrum, covering multiple geographic areas. There’s a good chance they spent too much time staring into the abyss. Greets to the remaining IRC refuges. Hello to the Nefarious Five, we own the night.