France’s computer and network security sector sits at the heart of the country’s digital economy. From global consulting groups and managed security service providers to fast-growing cybersecurity startups, leaders in this industry are not only protecting organizations but also shaping how security services, products, and practices evolve. The executives featured below are driving strategy, innovation, and operational excellence across France’s security ecosystem.
Jean-Michel Zini — Chief Information Security Officer, Sopra Group
Jean-Michel Zini has spent more than two decades at Sopra Group, where he has held the role of Chief Information Security Officer since 2012. Operating within the group’s industrial direction, he oversees information security across a large, complex services organization delivering critical IT and digital transformation projects. His earlier career as managing director within CS Communication and Systems provided strong grounding in delivery operations and executive governance, which continues to inform his approach to large-scale security leadership.
Tristan Savalle — Chief Information Security Officer, Advens
Tristan Savalle is Chief Information Security Officer at Advens, where he brings deep experience in managed security services, security operations centers, and product strategy. Over the years, he has led the definition of Security-as-a-Service offerings, SOC platforms, analytics, and dashboards, while also supporting presales and go-to-market efforts. His background as a cybersecurity consultant and long tenure in strategy and product leadership give him a broad view of both technical execution and commercial security services.
Thibault de Murel — Chief Information Security Officer, Dfns
Thibault de Murel is Chief Information Security Officer at Dfns, following earlier roles as Head of Security within the same organization. With a master’s degree in computer engineering and a specialization in information security, he brings more than a decade of experience spanning firmware development, security software engineering, penetration testing, and exploit development. His career also includes senior application security and security leadership roles in international environments, as well as multiple patents related to device detection and privacy-preserving technologies.
Justin Ganivet — Chief Information Security Officer, Intrinsec
Justin Ganivet serves as Chief Information Security Officer at Intrinsec, where he progressed from consultant to executive security leadership. Alongside his corporate role, he is widely known for his contributions to security awareness and community education through PointSécu and as co-founder and president of the Comptoir Sécu podcast. His background combines hands-on consulting, security architecture, and a strong focus on making complex security topics accessible to both professionals and the broader public.
William Ng — Chief Information Security Officer, Red Alert Labs
William Ng is Chief Information Security Officer at Red Alert Labs, where he holds the role as part of an apprenticeship pathway. His profile reflects an early-career security leader combining practical systems and network security experience with exposure to IoT security environments. Prior roles include systems and network security administration in a cultural institution and nearly eight years as a technical specialist at Apple, providing him with a user-centric perspective that informs his approach to cybersecurity.
Pierre-Antoine Errard — Chief Information Security Officer, I-TRACING
Pierre-Antoine Errard is Chief Information Security Officer at I-TRACING. His career spans SOC management, service management, and information security leadership across healthcare, public sector, and security services environments. In parallel, he has served as a reserve officer specializing in cyber operations within the French Gendarmerie and cyber defense structures, bringing a strong operational and sovereign security dimension to his private-sector leadership.
Why the Computer & Network Security Sector Matters
The computer and network security industry plays a foundational role in securing France’s digital infrastructure, public services, and private enterprises. The leaders highlighted here influence not only their own organizations but also the maturity of security practices across clients, partners, and ecosystems. Through consulting, managed services, product development, and community engagement, they help define how cybersecurity is delivered, understood, and trusted in an increasingly connected world.