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Filip Holik

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Filip Holik

Associate Professor
Department of Information Security and Communication Technology

filip.holik@ntnu.no
T517 Topasbygget Kallerud, Gjøvik
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About Research Publications Teaching Outreach

About

Biography
Filip Holik is an Associate Professor in the Department of Information Security and Communication Technology (IIK) at NTNU, where he leads research in programmable computer networks and critical infrastructure cybersecurity. He also serves as an Honorary Research Fellow in the School of Computing Science at the University of Glasgow, contributing to the Glasgow Cyber Defence Lab and Netlab (Networked Systems Research Laboratory) research agendas.

Research & Education
Filip earned his MSc and PhD in Electrical Engineering and Informatics from the University of Pardubice (Czechia), specializing in Cisco Networking, OpenFlow-based software-defined networks (SDN), and IoT cybersecurity. His research interests focus on eBPF-based programmable data planes, digital substation emulation, and critical infrastructure and Operational Technology networks cybersecurity.

Teaching
At NTNU, Filip teaches DCSG2001: Interconnected Networks and Network Security.
He also teaches an external SDN course at the University of Pardubice. Additionally, he is a certified Cisco Networking Academy Instructor for CCNA programs and holds CCNA, CCNA Security, and CCNP NetAcad certifications, alongside CCNA and CCNP (Switch) industry certifications (2013 – 2016).

Professional Experience

  • 2026 – Present: Associate Professor (Full-time), IIK / Networking Research Group, NTNU.
  • 2023 – 2026: Research Associate, University of Glasgow. Focused on eBPF-based fully programmable data planes and critical infrastructure resilience, while maintaining a part-time Associate Professor affiliation with NTNU.
  • 2020 – 2023: Postdoctoral Research Fellow, NTNU. Developed a digital substation simulator with emulated communication and led cybersecurity training courses for business professionals in Oslo.
  • 2018 – 2020: Assistant Professor, Research Center at the University of Pardubice. Led research projects on software-defined networking and AI-driven cybersecurity applications.

Competencies

  • Cisco
  • Communication networks
  • Cybersecurity
  • Industrial networks
  • Programmable data plane
  • Smart grid
  • Software-defined networking
  • eBPF

Research

Networking, cybersecurity and resilience of critical infrastructure (especially power grid networks)

Programmable data planes, software-defined networking, network function virtualization 

  • Multidisciplinary Research group on Privacy and data protEcTion (MR PET)

Glasgow Cyber Defence Lab

Research on cybersecurity and digital resilience focusing on industrial technologies and networks found within Critical National Infrastructure sectors and Operational Technology.

COCOON - Cooperative Cyber Protection for Modern Power Grids

Deliver a practical cyber-physical systems solution for converged EPES by bridging secure networked systems research and innovation with power systems engineering.

JOINER - Demonstrating Advanced Communications Technology Impact

Network Orchestration of eBPF Data Planes for Resilient Digital Infrastructure

TransiT - Digital Twinning for Transport Decarbonisation

Cybersecurity and connectivity

ECoDiS - Engineering and Condition monitoring in Digital Substations

Digital Substation (DS) based on the standard IEC 61850 is rather new in Norway; one of the few pilot projects is Furuset substation owned by Statnett.

InterSecure - Security of supply in smartgrids with interacting digital systems

Development of methods for assessing, handling and limiting threats and vulnerabilities arising due to interactions between the SCADA system and other digital systems, in order to maintain the security of supply in smartgrids at a high level.

Publications

In-Network GOOSE Encryption with eBPF-based Programmable Network Architecture (IEEE SmartGridComm, 2025)

We propose an in-network eBPF-based programmable data plane solution which performs GOOSE encryption and decryption in–network.

Resilient Network Architecture with eBPF-based Programmability and Centralised Orchestration (IEEE INFOCOM, 2025)

We propose a resilient network architecture that extends the conventional SDN architecture by using eBPF to implement data plane programmability on network devices, converting them into centrally controlled programmable nodes.

Programmable Data Planes for Increased Digital Resilience in OT Networks (IEEE Communications Magazine, 2025)

We explore the suitability of programmable data planes and offload technologies for improved digital resilience in OT environments.

Network-Wide Service Deployment Using Centrally Orchestrated, eBPF-Based Programmable Dataplanes (EuCNC/6G Summit, 2025)

We propose the centralised control plane orchestration of eBPF-based programmable data plane devices. Our orchestrator uses eBPF programs instead of OpenFlow rules to perform packet processing and supports more complex code structures than P4.

Emulation of Digital Substations Communication for Cyber Security Awareness (Electronics, 2024)

We present the Smart Grid Simulator - SGSim - a tool for emulation of digital substation communication for cyber security awareness based on experiences from the case study.

Threat Modeling of a Smart Grid Secondary Substation (Electronics, 2022)

This article uses a Smart Grid Threat Modeling Template implementing the STRIDE model to create a threat model of a digital secondary substation and its communication with the control center.

University of Glasgow Publications (2023 - 2026)

  • Chronological
  • By category
  • All publications registered in NVA

2024

  • Holik, Filip; Yildirim-Yayilgan, Sule; Olsborg, Guro Bråten. (2024) Emulation of Digital Substations Communication for Cyber Security Awareness. Electronics (Basel)
    Academic article

2023

  • Yeng, Prosper Kandabongee; Fauzi, Muhammad Ali; Yang, Bian; Diekuu, John-Bosco; Nimbe, Peter; Holik, Filip; Khatiwada, Pankaj; Fahmi, Akbar; Sun, Luyi. (2023) SecHealth: Enhancing EHR Security in Digital Health Transformation. Association for Computing Machinery (ACM)
    Anthology
  • Abraham, Doney; Yildirim-Yayilgan, Sule; Holik, Filip; Sanchez Acevedo, Santiago; Gebremedhin, Alemayehu. (2023) Cyber Attack Simulation and Detection in Digital Substation.
    Academic chapter

2022

  • Holik, Filip. (2022) Development Environment for Software-defined Smart City Networks. Communications in Computer and Information Science (CCIS)
    Academic article
  • Holik, Filip; Abraham, Doney; Yayilgan, Sule Yildirim. (2022) Emulation of IEC 60870-5-104 Communication in Digital Secondary Substations. Communications in Computer and Information Science (CCIS)
    Academic article
  • Yayilgan, Sule Yildirim; Holik, Filip; Abomhara, Mohamed; Abraham, Doney; Gebremedhin, Alemayehu. (2022) An Approach for Analyzing Cyber Security Threats and Attacks: A Case Study of Digital Substations in Norway. Electronics (Basel)
    Academic article
  • Holik, Filip; Flå, Lars; Jaatun, Martin Gilje; Yayilgan, Sule Yildirim; Foros, Jørn. (2022) Threat Modeling of a Smart Grid Secondary Substation. Electronics (Basel)
    Academic article

Journal publications

  • Holik, Filip. (2022) Development Environment for Software-defined Smart City Networks. Communications in Computer and Information Science (CCIS)
    Academic article
  • Holik, Filip; Abraham, Doney; Yayilgan, Sule Yildirim. (2022) Emulation of IEC 60870-5-104 Communication in Digital Secondary Substations. Communications in Computer and Information Science (CCIS)
    Academic article
  • Holik, Filip; Yildirim-Yayilgan, Sule; Olsborg, Guro Bråten. (2024) Emulation of Digital Substations Communication for Cyber Security Awareness. Electronics (Basel)
    Academic article
  • Yayilgan, Sule Yildirim; Holik, Filip; Abomhara, Mohamed; Abraham, Doney; Gebremedhin, Alemayehu. (2022) An Approach for Analyzing Cyber Security Threats and Attacks: A Case Study of Digital Substations in Norway. Electronics (Basel)
    Academic article
  • Holik, Filip; Flå, Lars; Jaatun, Martin Gilje; Yayilgan, Sule Yildirim; Foros, Jørn. (2022) Threat Modeling of a Smart Grid Secondary Substation. Electronics (Basel)
    Academic article

Books

  • Yeng, Prosper Kandabongee; Fauzi, Muhammad Ali; Yang, Bian; Diekuu, John-Bosco; Nimbe, Peter; Holik, Filip; Khatiwada, Pankaj; Fahmi, Akbar; Sun, Luyi. (2023) SecHealth: Enhancing EHR Security in Digital Health Transformation. Association for Computing Machinery (ACM)
    Anthology

Part of book/report

  • Abraham, Doney; Yildirim-Yayilgan, Sule; Holik, Filip; Sanchez Acevedo, Santiago; Gebremedhin, Alemayehu. (2023) Cyber Attack Simulation and Detection in Digital Substation.
    Academic chapter

Teaching

Courses

  • DCSG2001 - Interconnected Networks and Network Security
  • IIKG1003 - Networks: administration, programming and security
  • DCSG1006 - Data communication and networks

Outreach

IEEE ComSoc Smart Grid Communications TC Webinar

Towards Software-Defined OT Networks - invited talk with prof. Dimitrios Pezaros.

Cooperative Cyber Protection for Modern Power Grids

Hosting a two-day project workshop

CyberUK Workshop on Accelerating Critical Infrastructure Cyber Defence

Interactive tabletop exercise

Futures in Cyber with Scottish Power Energy Networks

Demonstrating Glasgow Cyber Defence Lab research

Glasgow Centre for Sustainable Energy

Presenting our cybersecurity vision for next-generation energy networks

Cybersecurity of Digital Twins Workshop

Supporting the TransiT project (Digital Twinning for Transport Decarbonisation) with a CyberDefence tabletop exercise

2022

  • Lecture
    Holik, Filip. (2022) Simulation model hands-on. IEC attack simulation on digital twins environment seminar
  • Lecture
    Holik, Filip. (2022) Simulation Model Interactive Demo. InterSecure Arbeidsmøte
  • Conference lecture
    Yayilgan, Sule Yildirim; Holik, Filip. (2022) Cyber Security Concepts in Power Networks: Digital Substation Case Study from Norway. International Conference on Power, Control and Computing Technologies, ICPC2T

2021

  • Conference lecture
    Holik, Filip. (2021) Simulation Modelling of Digital Substations. IMT4113 Course Guest Lectures

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