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Resilience is an essential property for critical networked environments such as utility networks (e.g. gas, water and electricity grids), industrial control systems, and communication networks. Due to the complexity of such networked environments achieving resilience is multi-dimensional since it involves a range of factors such as redundancy and connectivity of different system components as well...
Botnets compose a major source of malicious activity over a network and their early identification and detection is considered as a top priority by security experts. The majority of botmasters rely heavily on a scan procedure in order to detect vulnerable hosts and establish their botnets via a command and control (C&C) server. In this paper we examine the statistical characteristics of the scan...
Networked infrastructures underpin most social and economical interactions nowadays and have become an integral part of the critical infrastructure. Thus, it is crucial that heterogeneous networked environments provide adequate resilience in order to satisfy the quality requirements of the user. In order to achieve this, a coordinated approach to confront potential challenges is required. These challenges...
Cloud networks underpin most of todays' socio-economical Information Communication Technology (ICT) environments due to their intrinsic capabilities such as elasticity and service transparency. Undoubtedly, this increased dependence of numerous always-on services with the cloud is also subject to a number of security threats. An emerging critical aspect is related with the adequate identification...
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