Radio hacking 101: a case study in how to DoS the global APRS network

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Presented at BSidesDFW 2019 by

Michael West

Many radio protocols have very little security, as they were designed when equipment to transmit was expensive and difficult to obtain. With the advent of SDRs, cheap radios, and of course the internet, these protocols are wide open to attack. In this talk, we'll discuss the fundamentals of radio hacking and apply these to the Amateur Packet Radio Service. We'll discuss possible attack avenues and ways to disrupt the entire global network. Conditions permitting, we'll also demonstrate a live, localized attack on the Dallas APRS repeaters. We'll tie this in to an overall discussion of how to get started hacking your favorite RF protocols.