Mikael Asplund - Secure IT Systems: 25th Nordic Conference, NordSec 2020, Virtual Event, November 23–24, 2020, Proceedings

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This volume contains the proceedings of the 25th Nordic Conference on Secure IT Systems (NordSec 2020) organised at Linkping University, Linkping, Sweden during 2324th November 2020. It was organised by the Department of Computer and Information Science with support from the national Research Centre on Resilient Information and Control Systems (RICS) financed by the Swedish Civil Contingencies Agency (MSB).

The conference, originally expected to be a physical gathering of researchers, practitioners, and policy makers from Nordic countries, has in the past few years become attractive to many European researchers. This year, the COVID-19 pandemic created an exceptional situation whereby it became clear that the conference had to be held virtually. This obviously impacted the ability of the attending presenters to engage in networking outside the presentation sessions. However, the conference program also reached a wider circle of presenters from across the globe who were able to attend and present.

The conference attracted 45 full paper submissions of which 15 were accepted to be presented and included in the proceedings. All papers were subject to at least 3 reviews by the 39 members of the program committee, to whom we would like to extend our warmest thanks. Altogether, participants from nine countries co-authored the papers in the conference, from as far away places as New Zealand and China.

The organisers of the conference are grateful for the time and effort allocated by the keynote speakers and their excellent talks as a contribution to the program.

The technical papers presented at the conference were organised in 5 sessions: Malware and attacks, Formal analysis, Applied cryptography, Security mechanisms and training, and Applications and privacy. One poster session with discussions around a setup created for education of students in a hacking environment was also organised. Without the timely preparations by the authors and the flexibility of presenters to make the necessary adjustments to do virtual presentations the conference would not have been the successful forum for discussions it became.

In addition to the reviewers and members of the program committee, there was a small group of local organisers essential for the conference to take place in this on-line setting. We gratefully acknowledge the help by Felipe Boeira and Lene Rosell in preparations for the conference and for being prepared to hold the conference in its original physical shape right until September when the decision to go virtual was made.