
Orange Cyberdefense
Europe's largest managed security services provider and a wholly-owned cybersecurity business unit of Orange Group (Orange S.A.). With 3,200+ multi-disciplinary experts across 12 countries, Orange Cyberdefense delivers end-to-end cybersecurity services — managed detection & response, ethical hacking, threat intelligence, security consulting, cloud security, and OT/ICS security — to 9,000+ enterprise customers worldwide. Operates 36 detection centers and processes 50 billion log events daily, generating approximately €1.3 billion in annual revenue (2025).
Build a safer digital society.
📍 Offices
About the Company
3,200
Employees
Subsidiary of public company (Orange S.A., Euronext Paris: ORA)
Stage
N/A — wholly-owned subsidiary of Orange S.A.; not independently funded
Funding
~€1.3 billion (2025)
Revenue
9,000
Customers
174,981
LinkedIn Followers
📍 HQ: 54 Place de l'Ellipse, 92000 Nanterre, France
📈 Europe's #1 managed security services provider by revenue; IDC MarketScape Leader in European MSS and MDR
Legal: Orange Cyberdefense SA · Valuation: ~€2 billion (2020 estimate, Challenges magazine) · Share Capital: €463,122,713
Reg: RCS Nanterre 892377532 (Tribunal de Commerce de Nanterre)
Managing Directors: Hugues Foulon (CEO, Orange Cyberdefense & EVP Orange Group), José Araujo (Group CTO), Charl van der Walt (Head of Security Research)
🤝 Notable Clients
🌐 Websites
Glassdoor Rating
Tech Stack
🛠️ Engineering & Work Culture
Engineering Culture
Research-driven culture with 250+ researchers and analysts, dedicated CERT team, Epidemiology Lab. 35 public GitHub repositories including GOAD (7,500+ stars), Arsenal (3,700+ stars). Teams present at BlackHat, DEFCON, RSA Conference. Publishes annual Security Navigator report analyzing 139,000+ incidents.
Work Environment
Hybrid
Remote Work Policy
Mixed model — hybrid or fully remote depending on role and country; SOC/operational roles tend toward on-site
Methodology
Modern DevOps practices with GitLab, Docker; no formal public methodology statement
🎯 Interview Process
💰 Compensation & Perks
🌈 Diversity & Inclusion
Active WOMEN@OrangeCyberdefense internal network, #NoBiasInCyber campaign, Women4Cyber EU partner, Microsoft Security Excellence Awards finalist for Diversity in Security, youth inclusion programs with French employment agencies, Orange Group first company awarded GEEIS-AI label for digital equality (2020).