Blar i NTNU Open på forfatter "Katsikas, Sokratis"
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Access Control in Critical Infrastructure Control Rooms using Continuous Authentication and Face Recognition
Dragerengen, Kristian (Master thesis, 2018)Access control solutions in critical infrastructure control rooms do not support needs for availability and traceability. Most solutions rely on usernames and passwords that are used on multiple accounts on different ... -
Aribc: Online reporting based on identity-based cryptography
Goudosis, Athanasios; Katsikas, Sokratis (Peer reviewed; Journal article, 2021)The reporting of incidents of misconduct, violence, sexual assault, harassment, and other types of crime that constitute a major concern in modern society is of significant value when investigating such incidents. ... -
Assessing Cyber Risk in Cyber-Physical Systems Using the ATT&CK Framework
Amro, Ahmed Walid; Gkioulos, Vasileios; Katsikas, Sokratis (Peer reviewed; Journal article, 2022)Autonomous transport is receiving increasing attention, with research and development activities already providing prototype implementations. In this article we focus on Autonomous Passenger Ships (APS), which are being ... -
Assessing the Security Landscape within the Aquaculture Industry: An In-Depth Cybersecurity Risk Analysis with a Leading Industry Player
Lorvik, Knut (Master thesis, 2023)Havbruk er Norges nest største eksportnæring etter olje og gass, og er avgjørende for å opprettholde bosetting og aktivitet langs kystlinjen. Digitalisering av næringen på tvers av verdikjeden øker produktiviteten og vår ... -
Attack Path Analysis and Cost-Efficient Selection of Cybersecurity Controls for Complex Cyberphysical Systems
Spathoulas, Georgios; Kavallieratos, Georgios; Katsikas, Sokratis; Baiocco, Alessio (Chapter, 2022)The increasing integration of information technology with operational technology leads to the formation of Cyber-Physical Systems (CPSs) that intertwine physical and cyber components and connect to each other. This ... -
Attack Path Analysis for Cyber Physical Systems
Kavallieratos, Georgios; Katsikas, Sokratis (Chapter, 2020)The identification and analysis of potential paths that an adversary may exploit to attack Cyber Physical Systems comprising sub-systems enables the comprehensive understanding of the attacks and the impact that may have ... -
Attack Path Analysis of Satellites Connected to Critical Infrastructure
Fredheim, Jacob Schjøllert (Master thesis, 2024)The increasing integration of satellite technology in critical infrastructures introduces a new attack surface to disrupt vital societal functions. This master’s thesis aims to investigate the cybersecurity vulnerabilities ... -
Attitudes and Perception of AMI Information Security in the Energy Sector of Norway
Lien, Eirik; Bergh, Karl Magnus Grønning (Master thesis, 2023)Digitaliseringen av samfunnet som helhet og kritisk infrastruktur spesielt introduserer nye utfordringer og angrepsflater for ondsinnede aktører som utnytter cyberdomenet for politisk, økonomisk eller personlig vinning. ... -
Attitudes and Perception of AMI Information Security in the Energy Sector of Norway
Lien, Eirik; Bergh, Karl Magnus Grønning (Master thesis, 2023)Sammendrag Digitaliseringen av samfunnet som helhet og kritisk infrastruktur spesielt introduserer nye utfordringer og angrepsflater for ondsinnede aktører som utnytter cyberdomenet for politisk, økonomisk eller personlig ... -
Authenticated Encryption for Janus-Based Acoustic Underwater Communication
Petrovic, Branislav; Teglasy, Balint Zoltan; Katsikas, Sokratis (Chapter, 2022)Wireless underwater communications commonly utilize acoustic waves due to their superior robustness and range compared to radio waves. But usage of acoustic waves introduces some constraints, such as a low data rate and ... -
Authentication of underwater assets
Teglasy, Balint Zoltan; Wengle, Johan Emil Hugo; Potter, John Robert; Katsikas, Sokratis (Peer reviewed; Journal article, 2024)Secure digital wireless communication in the acoustic domain has become a key issue as underwater operations shift towards employing a heterogeneous mix of robotic assets and as the security of digital systems becomes ... -
Communication and cybersecurity for autonomous passenger ferry
Amro, Ahmed (Doctoral theses at NTNU;2023:137, Doctoral thesis, 2023)Recent innovations in the smart city and the maritime domains have led to the proposition of a new mode of transportation utilizing Autonomous Passenger Ships (APS) or ferries in inland waterways. The novelty of the APS ... -
Communication architecture for autonomous passenger ship
Amro, Ahmed Walid; Gkioulos, Vasileios; Katsikas, Sokratis (Peer reviewed; Journal article, 2021)Novel innovations have been witnessed in the past few years in the field of technology for autonomous vehicles. These have been exploited in various applications in the maritime domain; one such application is the proposal ... -
Connect and Protect: Requirements for Maritime Autonomous Surface Ship in Urban Passenger Transportation
Amro, Ahmed Walid; Gkioulos, Vasileios; Katsikas, Sokratis (Chapter, 2020)Recent innovations in the smart city domain include new autonomous transportation solutions such as buses and cars, while Autonomous Passenger Ships (APS) are being considered for carrying passengers across urban waterways. ... -
Cyber Risk Assessment For Ships (CRASH)
Oruc, Aybars; Kavallieratos, Georgios; Gkioulos, Vasileios; Katsikas, Sokratis (Peer reviewed; Journal article, 2023) -
Cyber Risk Perception in Offshore Operations: An Exploratory Study of Deck Officers’ Perceptions of Cyber Risks in Norwegian Shipping Companies
Haugli-Sandvik, Marie (Doctoral thesis, 2024)The digital evolution of the maritime industry has given rise to new cybersecurity challenges and increased cyber risks for shipping companies and their vessels. At sea, losses from cyberattacks are not just monetary but ... -
Cyber Risk Propagation and Optimal Selection of Cybersecurity Controls for Complex Cyberphysical Systems
Kavallieratos, Georgios; Spathoulas, Georgios; Katsikas, Sokratis (Peer reviewed; Journal article, 2021)The increasingly witnessed integration of information technology with operational technology leads to the formation of Cyber-Physical Systems (CPSs) that intertwine physical and cyber components and connect to each other ... -
Cyber Security of the Integrated Navigation System (INS)
Oruc, Aybars (Doctoral theses at NTNU;2024:329, Doctoral thesis, 2024)The maritime sector, similar to other industries, is swiftly adapting to evolving technologies. However, these advancing technologies also bring forth cyber security concerns. Attacks on ships and findings from scientific ... -
Cyber Threat Intelligence - Impact and Utility
Goksør, Jarl (Master thesis, 2024)Dagens cybertrussellandskap kjennetegnes av et enormt volum, entropi og opportunistiske aktører, som tvinger forsvarere til å prioritere begrensede ressurser. For dette formålet er Cyber Threat Intelligence (CTI) en stadig ... -
Cyber-Attacks Against the Autonomous Ship
Kavallieratos, Georgios; Katsikas, Sokratis; Gkioulos, Vasileios (Chapter, 2019)Autonomous ships transferring valuable cargoes and humans in a more efficient and cost effective manner will soon be state of the art technology. Yet, their ICT system architecture and operations have not been defined in ...