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A Monitoring Architecture for Smart Grid Cyber Security

pubblicazioni - Articolo

A Monitoring Architecture for Smart Grid Cyber Security

Il paper esamina la capacità del monitoraggio in tempo reale di evidenziare le vulnerabilità di sicurezza e di rispondere tempestivamente ai rischi residui non coperti dalle misure preventive applicate nel sistema.

The new Smart Grid landscape requires the development of new ICT enabled functionalities or the reshaping of the existing ones. The global control strategies of the power grid need information coming from internal, but also external, entities, and the consequent establishment of new data exchanges. For this reason the cyber security of the involved communications becomes a key enabler determining the correct operation of the power grid. The security issues need to be addressed in order to guarantee the availability, integrity and confidentiality of the essential information exchanges.In this paper the focus is on the use of the monitoring infrastructure as an instrument to support the response capabilities to ICT anomalies and to increase the system resilience.

The traditional preventive security measures (e.g. network segregation, access control, authentication, end to end data encryption) are here complemented by a smart monitoring infrastructure. The paper investigates the capability of the real time monitoring to highlight vulnerabilities and timely respond to the residual risks not covered by the preventive measures applied in the system. Moreover the outcomes of the monitoring data analysis are used as input data for the configuration of power control strategies able to adapt the optimization function to the real time status of the ICT infrastructure.

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