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Security Days 2026, 7-9 April 2026, Utrecht

7–9 Apr 2026
Jaarbeurs Supernova
Europe/Amsterdam timezone

Security Days Organisational Committee

Session

Preventive Security

7 Apr 2026, 16:30
Mission 1 Room (Jaarbeurs Supernova)

Mission 1 Room

Jaarbeurs Supernova

Utrecht, Netherlands

Conveners

Preventive Security

  • Roderick Mooi (GÉANT)
  • Raymond Dijkxhoorn (SURBL)

Description

How can we keep up with the exponentially increasing rate of cyber attacks facilitated by automation and AI? We have a great lineup of speakers in this session that will leave you with some actionable means for getting and staying ahead of the game by modelling threats, implementing security services like DNS firewalling and gaining visibility through attack surface discovery and testing before the attackers do. Come join us to Secure Tomorrow Together :)

Presentation materials

There are no materials yet.

  1. 103. Threat Modeling 101
    Nicole Stewart, Ms Olga Spillane (Asiera)
    07/04/2026, 16:30
    Presentations 1
    Single Presentation (25 min)

    In today’s rapidly evolving cyber threat landscape, organisations can no longer rely solely on reactive security measures. Anticipating potential threats is essential, and threat modelling provides a structured way to do this. In this session, we will show how our team integrates threat modelling into the Cyber Threat Intelligence (CTI) reports produced as part of the GEANT GN5-2 project,...

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  2. 122. Protective DNS
    Joeri de Ruiter (SURF)
    07/04/2026, 17:00
    Presentations 1
    Single Presentation (25 min)

    When trying to protect against malware and phishing attacks we can try to protect our users and systems at different levels in the network. We could, for example, block suspicious connections at our firewalls. It would be even better though if we could even prevent clients from even trying to set up those connections in the first place. This is where the Protective DNS project (GN5-2, WP8,...

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  3. 132. The national picture of risk: two years of UK ASM results
    Iain Brown
    07/04/2026, 17:30
    Presentations 2
    Single Presentation (25 min)

    An organisation’s external attack surface comprises all its online (Internet-facing) assets: domains, subdomains and IP addresses, and respective websites, ports and services, components, DNS records and certificates.

    Using .ac.uk domain data, Jisc conducted a scanning project of the entire .ac.uk namespace in 2024 and again in 2025. This has produced a national picture of risk of the...

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