Thought leadership & research

Executive Perspectives

Technology, cybersecurity and business risk perspectives from an executive practitioner and researcher.

John's published work explores the strategic questions facing technology and security leaders, including cybersecurity leadership, cyber risk, AI governance, cloud security, digital resilience and the evolving role of the CISO. See also: keynotes and speaking appearances and NIS2 & cyber governance.

AI & Cybersecurity

Exploring the intersection of artificial intelligence and cybersecurity — opportunities, risks and strategic implications for security leaders.

CISO Leadership

Thought leadership on the CISO role, security leadership strategy and what it takes to lead cybersecurity at the executive level.

Cyber Risk

Analysis of the evolving cyber risk landscape and how organisations can build risk-informed security postures.

Cloud Security

Perspectives on cloud security strategy, cloud-native risk and the shared responsibility model.

Regulatory & Compliance

Commentary on NIS2, RegTech and the regulatory drivers shaping cybersecurity governance.

  • NIS2: a new cybersecurity roadmap

    John Iliadis · Industry News, Greece (in Greek)

    Magazine
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  • On RegTech

    John Iliadis · NetWeek, Issue 447, Greece (in Greek)

    Magazine
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Cybersecurity Community

Contributions to the cybersecurity profession and community, including ISC2 leadership and community building.

  • (ISC)2 Hellenic Chapter - Supporting Cybersecurity

    John Iliadis · Digital Finance, Issue 6, Greece (in Greek)

    Magazine
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PKI, Cryptography & Emerging Threats

Academic and applied research on public key infrastructure, certificate management, cryptography and emerging digital threats.

Secure Systems & Academic Research

Peer-reviewed research on secure system design, software security, distributed security and applied information security.

  • A Critical View on Internet Voting Technology

    John Iliadis · Research publication

    Research
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  • Distributed Component Software Security Issues on Deploying a Secure Electronic Environment

    John Iliadis · Research publication

    Research
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  • An Integrated Architecture for Deploying a Virtual Private Medical Network over the Web

    John Iliadis · Research publication

    Research
    Read draft versionView DOI record
  • Information Systems Security

    John Iliadis · S. Katsikas, D. Gritzalis and S. Gritzalis (eds.), New Technology Publications, ISBN-10: 9608105579

    Chapter 8: “Malicious Software,” pp. 235–265.

    Book chapter
    View publisher informationDownload chapter slides (PDF)View slides
  • Using trusted third parties for secure telemedical applications over the WWW: The EUROMED-ETS approach

    Sokratis K. Katsikas, Diomidis D. Spinellis, John Iliadis, Bernd Blobel · Pre-proceedings of the IMIA WG4 Working Conference on Common Security Solutions for Communicating Patient Data, Osaka/Kobe, Japan

    Conference paper
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  • Developing Secure Web Based Medical Applications

    John Iliadis · Research publication

    Research
    Read draft versionView DOI record
  • Security Issues Surrounding the Java Programming Language

    John Iliadis · Research publication

    Research
    Read draft versionDownload chapter slides (PDF)View slides
  • Distributed Component Software Security Issues on Deploying a Secure Electronic Marketplace

    John Iliadis · Research publication

    Research
    View DOI recordRead draft version
  • Trusted Third Party Services for Deploying Secure Telemedical Applications over the World Wide Web

    John Iliadis · Research publication

    Research
    Read draft versionView DOI record
  • Using trusted third parties for secure telemedical applications over the WWW: The EUROMED-ETS approach

    Sokratis K. Katsikas, Diomidis D. Spinellis, John Iliadis, Bernd Blobel · International Journal of Medical Informatics, Vol. 49, Issue 1, pp. 59–68, Elsevier Science

    Journal article
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  • Towards Secure Downloadable Executable Content: The Java Paradigm

    John Iliadis · Research publication

    Research
    View Springer publication recordRead draft version
  • Addressing Security Issues in Programming Languages for Mobile Code

    John Iliadis · Research publication

    Research
    View DOI recordDownload chapter slides (PDF)View slidesRead draft version
  • ACT: Algorithm Comparison Tool

    John Iliadis · Research publication

    Research
    Read BSc thesis (PDF)View thesis