Understanding the Role of Automated Response Actions to Improve AMI Resiliency [Extended Abstract]

Fawaz, A., Berthier, R., Sanders, W.H., Pal, P.

NIST Workshop on Cybersecurity for Cyber-Physical Systems, Gaithersburg, MD, April 23-24, 2012.

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The smart grid promises better services and higher reliability but is exposed to new security threats. In particular, deployment of advanced metering infrastructures (AMIs) will vastly increase the attack surface because of the smart meters installed in customer homes. Managing the security of AMIs cannot be done manually because of their size and complexity. Thus, we propose a three-step plan to bring automated responses to AMIs. Considering the challenges of automated responses, we will develop a taxonomy of response actions in AMIs. Then, we will model the response actions in terms of their impact and cost for the different actors in the system: users, administrators, and attackers. Finally, we will discuss implementation and evaluation requirements for a practical automated response engine for AMIs.

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