Sensor Security: Current Progress, Research Challenges, and Future Roadmap
Anomadarshi Barua, Mohammad Abdullah Al Faruque

TL;DR
This paper reviews current sensor security challenges, introduces a structured checklist for effective defenses against transduction attacks, and advocates for a HW/SW co-design approach to enhance sensor robustness.
Contribution
It proposes the Golden reference checklist for sensor defense and emphasizes the need for integrated hardware/software redesign for improved security.
Findings
Existing defenses are ad-hoc and unstructured.
A comprehensive checklist for ideal sensor defense is proposed.
Hardware/software co-design is essential for future sensor security.
Abstract
Sensors are one of the most pervasive and integral components of today's safety-critical systems. Sensors serve as a bridge between physical quantities and connected systems. The connected systems with sensors blindly believe the sensor as there is no way to authenticate the signal coming from a sensor. This could be an entry point for an attacker. An attacker can inject a fake input signal along with the legitimate signal by using a suitable spoofing technique. As the sensor's transducer is not smart enough to differentiate between a fake and legitimate signal, the injected fake signal eventually can collapse the connected system. This type of attack is known as the transduction attack. Over the last decade, several works have been published to provide a defense against the transduction attack. However, the defenses are proposed on an ad-hoc basis; hence, they are not well-structured.…
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Taxonomy
TopicsPhysical Unclonable Functions (PUFs) and Hardware Security · Advanced Malware Detection Techniques · User Authentication and Security Systems
