De Dag De Dag

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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