Now showing items 21-40 of 64

    • 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 ...
    • 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 ...
    • 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 ...
    • A multiplayer game model to detect insiders in wireless sensor networks 

      Kantzavelou, Ioanna; Maglaras, Leandros; Tzikopoulos, Panagiotis F.; Katsikas, Sokratis (Peer reviewed; Journal article, 2022)
      Insiders might have incentives and objectives opposed to those of the belonging organization. It is hard to detect them because of their privileges that partially protect them. In Wireless Sensor Networks (WSNs), significant ...
    • Navigation Data Anomaly Analysis and Detection 

      Amro, Ahmed Walid; Oruc, Aybars; Gkioulos, Vasileios; Katsikas, Sokratis (Peer reviewed; Journal article, 2022)
      Several disruptive attacks against companies in the maritime industry have led experts to consider the increased risk imposed by cyber threats as a major obstacle to undergoing digitization. The industry is heading toward ...
    • Privacy Preserving Passive DNS 

      Papadopoulos, Pavlos; Pitropakis, Nikolaos; Buchanan, William; Lo, Owen; Katsikas, Sokratis (Peer reviewed; Journal article, 2020)
      The Domain Name System (DNS) was created to resolve the IP addresses of web servers to easily remembered names. When it was initially created, security was not a major concern; nowadays, this lack of inherent security and ...
    • A Privacy-Preserving Healthcare Framework Using Hyperledger Fabric 

      Stamatellis, Charalampos; Papadopoulos, Pavlos; Pitropakis, Nikolaos; Katsikas, Sokratis; Buchanan, William (Peer reviewed; Journal article, 2020)
      Electronic health record (EHR) management systems require the adoption of effective technologies when health information is being exchanged. Current management approaches often face risks that may expose medical record ...
    • A quest for research and knowledge gaps in cybersecurity awareness for small and medium-sized enterprises 

      Chaudhary, Sunil; Gkioulos, Vasileios; Katsikas, Sokratis (Journal article; Peer reviewed, 2023)
      The proliferation of information and communication technologies in enterprises enables them to develop new business models and enhance their operational and commercial activities. Nevertheless, this practice also introduces ...
    • Reverse Engineering for Thwarting Digital Supply Chain Attacks in Critical Infrastructures: Ethical Considerations 

      Nygård, Arne Roar; Sharma, Arvind; Katsikas, Sokratis (Peer reviewed; Journal article, 2022)
    • Risk assessment and control selection for cyber-physical systems: A case study on supply chain tracking systems 

      Kavallieratos, Georgios; Grigoriadis, Christos; Katsika, Angeliki; Spathoulas, Georgios; Kotzanikolaou, Panayiotis; Katsikas, Sokratis (Journal article, 2022)
      Aim: The paper proposes a novel risk assessment method ology for complex cyber-physical systems: The proposed method ology may assist risk assessors to: (a) assess the risks deriving from cyber and physical interactions ...