12.03.2026

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André Clerc

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Presentation

X.509v4 Quantum-Safe Certificates - …do we need an update to the current X.509v3?

Swiss Cyber Experts - TechTalk
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Abstract

The presentation provided an overview of the topic of ‘quantum-secure certificates’, and the following questions were addressed during a talk: What implementation proposals are there? Which implementation proposals have already been standardised? Which certification authorities already offer certificates with PQC? Is an X.509v4 version required?

Presentation

About the speaker

André Clerc
André Clerc
Managing Security Consultant
Dipl. Ing. FH Computer Science
CISSP, CAS Project Management

I support my customers with creativity and passion in areas such as Public Key Infrastructure (PKI), Crypto Agility, Internet of Things (IoT), authorization solutions, security architectures and system hardening. As a security architect and security engineer, I have extensive experience in the development of customized security solutions in complex IT environments. I am also involved in teaching practice-oriented PKI expertise at universities of applied sciences and at SGO in the area of Business Process Model and Notation (BPMN).

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