Sommaire

  • Cet exposé a été présenté le 19 décembre 2025 (11:00 - 12:00).

Description

  • Orateur

    Romain Laborde - University of Toulouse

The padlock shown in the URL bar of our favorite web browser indicates that we are connected using a secure HTTPS connection and providing some sense of security. Unfortunately, the reality is slightly more complex. The trust model of the underlying Web PKI is invalid, making TLS a colossus with feet of clay. In this talk, we will dive into the trust model of the web PKI ecosystem to understand its weaknesses. Based on the research conducted in my team, I will demonstrate that, from the perspective of trust, each step of the certificate validation process is extremely complex, leaving users uncertain about whether or not they are connected to the correct web server.

Prochains exposés

  • Towards More Secure Large Language Models

    • 12 juin 2026 (11:00 - 12:00)

    • Inria Center of the University of Rennes - Petri/Turing room

    Orateur : Raouf Kerkouche - Inria Lille

    Large Language Models (LLMs) have achieved considerable success and are now widely used across multiple domains, highlighting their transformative impact on both technology and society. However, this widespread adoption also exposes LLMs to numerous security threats that can alter model behavior or degrade overall performance. To mitigate these threats, most research has focused on alignment[…]
    • Machine learning

Voir les exposés passés