Jérémy Voisin is a recognized expert in the prevention, detection, and response to advanced cyber threats, with more than 15 years of experience designing and operating high-security infrastructures and services.
As Director of Cyber Defense and Chief Information Security Officer (CISO), he leads the definition and implementation of strategies that ensure the confidentiality, integrity, and availability of critical data and assets for both his organization and its clients.
Throughout his career, he has supported organizations across highly demanding sectors—including industry, private banking, NGOs, and public administration—in addressing increasingly sophisticated threats. This cross-industry experience provides him with a 360-degree perspective on cybersecurity challenges, from anticipating Advanced Persistent Threats (APTs) and orchestrating incident response to continuously strengthening detection capabilities.
Leading a team of highly skilled security engineers, he fosters a culture of continuous improvement and operational excellence, driven by a strong conviction: the most effective defense combines deep technical expertise, robust governance, and the ability to stay one step ahead of the attacker.
Why wait until you're under attack to find out your SOC is blind?
10/01/2026 | 14h00 -> 14h40 | Room A Forum: Cybersecurity & Digital TrustYou've invested in a SIEM, an EDR, and perhaps even a managed SOC. On paper, you're protected. But one uncomfortable question deserves to be asked: have these defenses ever been tested against a real attack? In the vast majority of organizations, the answer is no—and the first real-world validation happens on the day of the incident, when it's already too late.
This talk proposes a shift in mindset: stop assuming your detection capabilities work, and start proving that they do. We will explore how adversary emulation and purple teaming can objectively measure detection coverage, identify blind spots before they are exploited, and transform cybersecurity spending into demonstrated effectiveness rather than a sense of security.
You'll leave with the right questions to ask your SOC team or security provider, practical metrics to measure and manage your detection capability, and a compelling business case for making defense validation a routine practice rather than an exception.
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