S21sec

S21sec is a premier European cybersecurity firm that has established itself as a leader in threat intelligence, managed security services, and incident response. Founded in 2000 in San Sebastián, Spain, the company was a pioneer in the Iberian market, introducing ethical hacking and penetration testing services to help organizations proactively defend against emerging digital threats. Today, S21sec operates as a key component of the Thales Group, following its 2022 acquisition, which has significantly expanded its global reach and technical capabilities. With a workforce of over 500 specialized experts, S21sec provides comprehensive security solutions aligned with the NIST Cybersecurity Framework. The company manages advanced Security Operations Centers (SOCs) across Spain and Portugal, offering 24/7 monitoring, e-Crime intelligence, and specialized protection for Industrial Control Systems (OT). By combining deep regional expertise with the global resources of the Thales ecosystem, S21sec continues to drive innovation in cybersecurity, focusing on building a robust security culture and fostering trust in an increasingly complex digital landscape.

S21sec's mission is to generate trust in society through cybersecurity, viewing security as a fundamental driver of business profitability and a source of differential value for client organizations.

• First CERT-certified service provider in the region
• Established one of the first private enterprise SOCs in Spain in 2006
• Identified over 70 zero-day vulnerabilities in the last three years
• Integration into the global Thales Group cybersecurity ecosystem
• Pioneered specialized e-Crime and Counter Threat Intelligence departments

Sources

• S21sec Official Website
• Thales Group Corporate News