De kwetsbaarheid van PHP: 'de onderbroek' van het internet
Oct 22, 2026 · 22m
Summary
This episode of "De Dag" covers the widespread offline status of major Dutch websites, including government and news portals, caused by critical security vulnerabilities in the PHP programming language. Host Marco Geitenbeek and tech journalist Joost Schellevis discuss the rapid response by organizations to prevent potential data breaches and the role of AI in both discovering and exploiting such flaws. The discussion highlights the increased urgency in cybersecurity due to AI-accelerated attack timelines and the ongoing challenges of maintaining digital infrastructure.
Topics discussed
Intro: Major Dutch websites offline
Podcast intro and the PHP vulnerability
Timeline of the outage and patch release
Joost Schellevis: Was going offline justified?
International reactions to the security warning
Explaining PHP: The 'underwear' of the web
How the interpreter leak works and its severity
How the leak was disclosed and the role of AI
Impact on TU Delft and students
Is this a structural problem for digital society?
Interview Wout Funnekotter: Why Tweakers went offline
The dilemma of reporting on active security leaks
Ethical guidelines and the 'gentleman's agreement'
AI bots change the timeline of cyberattacks
Tweakers back online and the human factor
Risks for organizations that stayed online
Why the worst might still be to come
Why the patch was announced in advance
AI in security research: Guardrails and risks
Conclusion: Future vulnerabilities and user advice
Outro and sign-off
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