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A relatively new trend in Critical Infrastructures (e.g., power plants, nuclear plants, energy grids, etc.) is the massive migration from the classic model of isolated systems, to a system-of-systems model, where these infrastructures are intensifying their interconnections through Information and Communications Technology (ICT) means. The ICT core of these(More)
The security of Industrial Critical Infrastructures is become a prominent problem with the advent of modern ICT technologies used to improve the performances and the features of the SCADA systems. In this paper we present an innovative approach to the design of Intrusion Detection Systems. The aim is to be able to detect complex attacks to SCADA systems, by(More)
The interconnectivity of modern and legacy supervisory control and data acquisition (SCADA) systems with corporate networks and the In-ternet has significantly increased the threats to critical infrastructure assets. Meanwhile, traditional IT security solutions such as firewalls, intrusion detection systems and antivirus software are relatively ineffective(More)
Medical cyber physical systems(MCPS)are getting popular now a days. Every advanced healthcare hospitals use the help of MCPS to ease otherwise complicated tasks.These systems analyze the patient status using physical sensors and employ corresponding reaction using actuators. An array of sensor devices are attached to the patient which reads real time data(More)
This paper presents an innovative, distributed, multilayer approach for detecting known and unknown attacks on industrial control systems. The approach employs process event correlation, critical state detection and critical state aggregation. The paper also describes a prototype implementation and provides experimental results that validate the intrusion(More)