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Friday, October 6 • 15:00 - 16:00
DYODE

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DYODE (Do Your Own Dyode) is a low cost, DIY data diode aimed at securing Industrial Control Systems. While data diodes have been used for a long time on classified networks, the high cost and complexity of implementation have kept them away from a lot of valid use cases on industrial control systems. During our assignments, we encountered many situations in which time or availability constraints were not really high -but the security risk was- and a commercial data diode way too costly.

 

We developed a working data diode using standard components and open source libraries. We want to prove with this project that it is possible to produce a simple, working, ICS oriented data diode for less than $200. The principles of using COTS components to make a data diode are not brand new, but we aim at providing a package software solution to ease the creation process, with a specific focus on ICS.

Our diode can be used for file transfer, Modbus data transfer as well as screen sharing for remote debugging.

We will demo v2 of the DYODE, a diode based on serial connection and optocoupler, that only allows very low speed exchanges (sufficient for Modbus) for an even cheaper cost (around 50$).


Speakers
AS

Arnaud Soullié

Arnaud Soullié is a manager at Wavestone, performing security audits and leading R&D projects. He has a specific interest in Active Directory security as well as ICS, two subjects that tend to collide nowadays. He teaches ICS security and pentests workshops at security conferenc... Read More →


Friday October 6, 2017 15:00 - 16:00
01. Westvleteren University

Attendees (24)