Blar i NTNU Open på forfatter "Katsikas, Sokratis"
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Cyberpower Praxis: A Study of Ways to Improve Understanding and Governance in the Cyber Domain
Knox, Benjamin James (Doctoral theses at NTNU;2020:153, Doctoral thesis, 2020)Powerful effects arriving through cyberspace present real-world shared problems that cannot be foreseen. This thesis acknowledges the modern-day Faustian Bargain of staying digitally dependent, staying vulnerable presented ... -
Cybersecurity and Safety Co-Engineering of Cyberphysical Systems—A Comprehensive Survey
Kavallieratos, Georgios; Katsikas, Sokratis; Gkioulos, Vasileios (Peer reviewed; Journal article, 2020)Safeguarding both safety and cybersecurity is paramount to the smooth and trustworthy operation of contemporary cyber physical systems, many of which support critical functions and services. As safety and security have ... -
Cybersecurity in Agriculture: A Threat Analysis of Cyber-Enabled Dairy Farm Systems
Vatn, Karl Jonatan Due (Master thesis, 2023)Med digital transformasjon og automatisering har cybersikkerhet blitt en kritisk faktor i ulike sektorer, inkludert melkeproduksjon. Ettersom melkegårder i økende grad tar i bruk høyteknologiske systemer, er det avgjørende ... -
Cybersecurity Training for Critical Infrastructure Protection
Chowdhury, Nabin (Doctoral theses at NTNU;2023:13, Doctoral thesis, 2023)Critical Infrastructures (CIs) are defined as the ensemble of assets that are essential for the functioning of a society and economy. As suggested by their namesake, they cover a key role in many of today’s developed and ... -
Cybersecurity-Related Behavior of Personnel in the Norwegian Industry
Kannelønning, Kristian Andreas; Katsikas, Sokratis (Journal article; Peer reviewed, 2023)Information security policies are formalized rules and regulations that employees should follow to avoid unwanted cyber incidents. This paper reports on the findings of a survey among personnel employed in the Norwegian ... -
Dependency based risk analysis in Cyber-Physical Systems
Akbarzadeh, Aida (Doctoral theses at NTNU;2023:83, Doctoral thesis, 2023)The term ”cyber-physical systems” was introduced by Helen Gill at the National Science Foundation around 2006. Cyber-Physical Systems (CPSs) are systems that integrate computation, communication, and controlling capabilities ... -
Developing metrics to assess the effectiveness of cybersecurity awareness program
Chaudhary, Sunil; Gkioulos, Vasileios; Katsikas, Sokratis (Journal article; Peer reviewed, 2022) -
Efficient Consensus Between Multiple Controllers in Software Defined Networks (SDN)
Lalou, Stavroula; Spathoulas, Georgios; Katsikas, Sokratis (Chapter, 2022)Software Defined Networking (SDN) has emerged as a popular paradigm for managing large scale networks. The traditional single controller architecture has limitations in managing the entire network: it can become a bottleneck ... -
An exploratory analysis of the last frontier: A systematic literature review of cybersecurity in space
Kavallieratos, Georgios; Katsikas, Sokratis (Journal article; Peer reviewed, 2023)Nowadays, assets in space are vital for the provision of critical societal functions such as transportation, communication, production and supply of food, agriculture, etc. The increasing adoption of services provided by ... -
GAD: A Real-Time Gait Anomaly Detection System with Online Adaptive Learning
Lee, Ming-Chang; Lin, Jia-Chun; Katsikas, Sokratis (Chapter, 2024) -
GHOST - Safe-Guarding Home IoT Environments with Personalised Real-time Risk Control
Collen, Anastasija; Nijdam, Niels Alexander; Augusto-Gonzalez, Javier; Katsikas, Sokratis; Giannoutakis, Konstantinos M.; Spathoulas, Georgios; Gelenbe, Erol; Votis, Konstantinos; Tzovaras, Dimitrios; Ghavami, Navid; Volkamer, Melanie; Haller, Piroska; Sanchez, Alvaro; Dimas, Miltiadis (Chapter, 2018)We present the European research project GHOST, (Safe-guarding home IoT environments with personalised real-time risk control), which challenges the traditional cyber security solutions for the IoT by proposing a novel ... -
Honey-list based authentication protocol for industrial IoT swarms
El-Zawawy, Mohamed A.; Kaliyar, Pallavi; Conti, Mauro; Katsikas, Sokratis (Peer reviewed; Journal article, 2023)Industrial Internet of Things (IIoT) systems are advanced IoT systems composed of sensor devices supported with dynamic objects such as smart vehicles and drones. The collaboration among static and heterogeneous mobile ... -
Implementing Zero-Trust for Securing Spacecraft
Utsash, Masrur Masqub (Master thesis, 2024)Den raske veksten og bruken av edge computing-plattformer har utfordret muligheten til tradisjonelle perimeterbaserte sikkerhetsarkitekturer til effektivt å beskytte både bedriftsressurser og kritisk infrastruktur for ... -
Interplay of Digital Twins and Cyber Deception: Unraveling Paths for Technological Advancements
Barbosa Heluany, Jessica; Amro, Ahmed Walid; Gkioulos, Vasileios; Katsikas, Sokratis (Chapter, 2024)This research delves into the consolidation of Digital Twin and cyber deception technologies and explores their potential synergy for advancing cybersecurity processes. The study begins with a literature survey and market ... -
Investigating machine learning attacks on financial time series models
Gallagher, Michael; Pitropakis, Nikolaos; Chrysoulas, Christos; Papadopoulos, Pavlos; Mylonas, Alexios; Katsikas, Sokratis (Peer reviewed; Journal article, 2022)Machine learning and Artificial Intelligence (AI) already support human decision-making and complement professional roles, and are expected in the future to be sufficiently trusted to make autonomous decisions. To trust ... -
Leveraging Hardware Reverse Engineering to Improve the Cyber Security and Resilience of the Smart Grid.
Nygård, Arne Roar; Katsikas, Sokratis (Peer reviewed; Journal article, 2023)Cyber-attacks on digital supply chains are rising, and Critical Infrastructures (CIs) such as the Smart Grid are prime targets. There is increasing evidence that vendors, service providers, and outsourced IT -providers are ... -
LIST: Lightweight Solutions for Securing IoT Devices against Mirai Malware Attack
Kaliyar, Pallavi; Erdodi, Laszlo; Katsikas, Sokratis (Chapter, 2022)Recently, the number of Internet of Things (IoT) devices has increased significantly, as they have become affordable to most people. This spread has highlighted a critical security threat, namely the increasing number of ... -
Managing Cyber Security Risks of the Cyber-Enabled Ship
Kavallieratos, Georgios; Katsikas, Sokratis (Peer reviewed; Journal article, 2020)One aspect of the digital transformation process in the shipping industry, a process often referred to as Shipping 4.0, is the increased digitization of on board systems that goes along with increased automation in and ... -
Modeling Effective Cybersecurity Training Frameworks: a Delphi Method-based Study
Chowdhury, Nabin; Katsikas, Sokratis; Gkioulos, Vasileios (Peer reviewed; Journal article, 2021)Today, cybersecurity training is commonplace in both large companies and Small & Medium Enterprise (SME). Nonetheless, the effectiveness of many of the current training offerings is put into question by reports of increasing ... -
Modelling Shipping 4.0: A Reference Architecture for the Cyber-Enabled Ship
Kavallieratos, Georgios; Katsikas, Sokratis; Gkioulos, Vasileios (Chapter, 2020)There is intense activity of the maritime industry towards making remotely controlled and autonomous ships sail in the near future; this activity constitutes the instantiation of the Industry 4.0 process in the maritime ...