Attack and Defense Methods for Traffic Light Systems

DTU Hackathon 2019

Transcript

1. Team #2 – Hands-On Security Team Member Names: ➢ Alio ➢ Filip ➢ Hans-Michael ➢ Cristiano ➢ Ditlev
2. Attack Vectors - Optical ❑ Analysis ❑ Replay ❑ Jamming
3. Attack Vectors - Optical Analysis & Replay
4. Attack Vectors - Optical Analysis of Transmitted iR Packets (Pattern recognition)
5. Remediation – Optical Attacks Best solution: ➢ Physical Switch – “is_programmable()” Alternative solutions: ➢ Challenge/Response Protocol (New Device) ➢ Bluetooth-style Remote Control Attach Procedure Note: The above are only a few examples of possible solutions
6. Attack Vectors - Hardware
7. Attack Vectors - Hardware
8. Attack Vectors - Hardware
9. Attack Vectors - Hardware
10. Remediation – Hardware Attacks Best solution: ➢ Adv. IDS (Detect Attack, Create High Risk Alert) ➢ Verification of Encrypted & Signed Firmware ➢ Lock Down Programmable Header Pins Additional solutions: ➢ Metal Shield (Integrated Circuit, Protect UART) ➢ Tamper Protection (Electrical Cables) Note: The above are only a few examples of possible solutions