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Dive into the research topics where Kleanthis Dellios is active.

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Featured researches published by Kleanthis Dellios.


Computers & Security | 2014

Towards a distributed secure in-vehicle communication architecture for modern vehicles

Constantinos Patsakis; Kleanthis Dellios; Mélanie Bouroche

Modern automotive vehicles are becoming a collection of interconnected embedded subsystems, where the mechanical parts are controlled by electronic ones and the vehicle is transformed into a mobile information system. However, the industry standards for in-vehicle communication are not following long-established computer security policies. This trend not only makes vehicles prone to thefts and automated attacks, but also endangers passengers safety. This paper analyzes current practices and standards of the automotive industry, highlighting several vulnerabilities that stress the need to change the way that in-vehicle communication is handled. To this end, we present a novel vehicle security architecture that supports two new features; users with different access rights and roles, and mutual authentication of ECUs. These features can enable a more distributed security architecture and prevent many attacks, or at least trigger adequate alarms to detect and mitigate them, or allow backtracking.


ieee symposium on security and privacy | 2015

Information Security Compliance over Intelligent Transport Systems: Is IT Possible?

Kleanthis Dellios; Dimitrios Papanikas; Despina Polemi

The automotive industry has used emerging technological concepts to transform automobiles into sophisticated cyber platforms. However, this extended technological evolution hides multiple security risks capable of affecting both the intelligent transportation domain and human life itself.


panhellenic conference on informatics | 2012

Maritime Clouds for the European Ports

Kleanthis Dellios; Despina Polemi

The adoption of Cloud Computing technology can lead to a new revolution in the maritime field, offering trustworthy cross-border, interoperable, secure e-port services to all maritime participants. In this paper, cloud technology is introduced in the maritime sector, maritime cloud delivery and deployment models are proposed in order to provide a holistic, harmonized European secure maritime environment.


International Journal of Space Science and Engineering | 2016

Euphoria-filter: a robust H2/H∞ technique amenable to the Lisa-Pathfinder thruster faults

Nikolaos Tantouris; Kleanthis Dellios

The main purpose of the fault detection and isolation (FDI) function is to maintain the spacecraft (S/C) or any other unnamed aerial vehicle (UAVs) operational and safe (healthy) as required by the mission. Thus, robust FDI is the key property for all aerospace missions and applications, wherever autonomy is of paramount importance. Current work provides a focused insight and lessons learned of the euphoria-filter, a robust H2/H∞ model-based FDI technique, with specific application to the Lisa-Pathfinder thruster failures.


It Professional | 2014

Deploying a Maritime Cloud

Kleanthis Dellios; Dimitrios Papanikas

The maritime domain plays a decisive role in the modern worldwide digital economy and collaborative environments. In addition, emerging technologies such as cloud computing provide holistic frameworks for generating and delivering a plethora of interoperable, cost-effective, and scalable e-services that efficiently manage information and data stored inside large-scale datacenters. Driven by this motivation, this article presents a perspective beyond traditional IT utilization over the maritime domain: a roadmap to the Maritime Cloud. The authors define the Maritime Cloud stack and architecture in detail and describe the Maritime Cloud delivery and deployment models as an integral process for transitioning to the Maritime Cloud. The authors evaluate advantages and challenges and present future research directions.


World Review of Intermodal Transportation Research | 2013

A service discovery mechanism for the cooperative intelligent transport systems

Kleanthis Dellios; Dimitrios Papanikas; Despina Polemi

Emerging technologies have become an integral part of our life. Intelligent transportation systems (ITS) is such a set of technologies applied on the transportation domain and considered to be an upcoming dominating technological trend for transportation. Seeking innovative ways for the creation of intelligent and interoperable transportation e/m-services, cooperative-ITS environment provides the possibility to embody and embrace the scalability and extensibility of the web services technology. Driven by this motivation, an interoperable upgrade of the existing ITS-station reference architecture is proposed in the current work. The main scope of the current proposal is the utilisation of an operational model that can implement a service discovery mechanism interconnected with a service registry in the already existing intelligent transportation environment and systems. The operational model functions as the top layer of the ITS reference architecture as already described, so that web services technology and any service oriented architecture could be gradually adopted over the cooperative-ITS and the ITS domain. The scope of current research and proposal is that the entities of the Vehicle ITS-Station to be transformed into autonomous networking nodes over a cooperative and collaborative transportation environment.


It Professional | 2016

Automobile 2.0: Reformulating the Automotive Platform as an IT System

Kleanthis Dellios; Constantinos Patsakis; Despina Polemi

The car is a nexus for continuous invention when it comes to cutting-edge automotive technology. Thus, it is necessary to analyze the modern automotive platform in an IT context to collectively reformulate the Automobile 2.0.


international conference on security and cryptography | 2012

Securing In-vehicle Communication and Redefining the Role of Automotive Immobilizer

Constantinos Patsakis; Kleanthis Dellios


ICGS3/e-Democracy | 2011

Transforming Vehicles into e-government 'Cloud Computing' Nodes.

Kleanthis Dellios; Aristeidis Chronakis; Despoina Polemi


the internet of things | 2017

On the path to cyber-peace: a robust 'diagnosis-filter' for safeguarding future systems and machines

Nikolaos Tantouris; Despoina Polemi; Kleanthis Dellios

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