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Tuesday, January 30, 2018

On the Risks of Trusting Sensors

Technical piece on the risks beyond the software in the IOT

Inside Risks:  Risks of Trusting the Physics of Sensors
Protecting the Internet of Things with embedded security. 

" .... Conclusion:
Sensors are vulnerable to spoofing by transduction attacks. Cyberphysical systems must cope with analog threats that an adversary could exploit without any special-purpose equipment. Automobiles decide whether to deploy an airbag based on data from accelerometers.   Pacemakers and defibrillators decide whether to emit shocks based on data from cardiac sensors.  It is inevitable and predictable that hackers will try to manipulate sensors to cause havoc.

Autonomous systems making safetycritical decisions should remain safe even when an adversary can exploit physics to influence the output of sensors. The community can reduce these risks by designing sensors to be continuously checkable for security properties and by increasing opportunities for students to master the physics of computer security and principles of embedded security. .... " 

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