Resilient Security of Medical Cyber-Physical Systems
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IWCFS 2019 - 3rd International Workshop on Cyber-Security and Functional Safety in Cyber-Physical Systems, Linz, Austria, August 26-29, 2019.
Incorporating network connectivity in cyber-physical systems (CPSs) leads to advances yielding better healthcare and quality of life for patients. However, such advances come with the risk of increased exposure to security vulnerabilities, threats, and attacks. Numerous vulnerabilities and potential attacks on these systems have been demonstrated. We posit that cyber-physical system software has to be designed and developed with security as a key consideration by enforcing fail-safe modes, ensuring critical functionality and risk management. In this paper, we propose operating modes, risk models, and runtime threat estimation for automatic switching to fail-safe modes when a security threat or vulnerability has been detected.