Detection and Implementation of Hardware Backdoor in Programmable Logic Controller

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کشف و تعبیه دریچه نهان سخت افزاری در کنترلرهای صنعتی برنامه پذیر

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 46322 (19)
University: Sharif University of Technology
Department: Computer Engineering
Advisor(s): Jahangir, Amir Hossein
Abstract:
Nowadays, extensive use of Hardware Trojan Horses (HTH) or backdoors is more prevalent than ever. We could count disruption, disabling, eavesdropping and sending out internal information as misuse.
In this project, we embed hardware trojan in a Programmable Logic Controller, and present different methods to detect and neutralize them. This is an important issue, as PLCs should work in a safe environment especially in industrial environments while keeping the information intact is significant as even a slight intentional malfunction could cause data to be lost or disclosed, and result in a catastrophe. Subsequently, features of hardware of PLCs should be examined and the right place of Hardware Trojan be verified. After the hardware trojan are implemented, some detection and neutralization methods are presented and evaluated so that the effect of implemented hardware trojan on the controller be inspected
Keywords:
Security ; Hardware Backdoors ; Industrial Controller ; Industrial Logic Controller

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