S21Sec
Madrid, Spain
S21Sec is an incident response firm founded in 1999, headquartered in Madrid, Spain, specializing in forensics, managed detection, ransomware serving government, financial services, energy. It offers a 8hr emergency response SLA and provides pre-negotiated IR retainers.
What does S21Sec do?
Spain's leading cybersecurity and incident response firm serving Iberian and Latin American markets. Part of Thales Group since 2022, combining boutique IR expertise with Thales's global threat intelligence and OT security capabilities.
What makes S21Sec distinctive?
Spain's largest dedicated cybersecurity firm and the primary IR partner for Spanish national critical infrastructure operators under Spain's Centro Criptológico Nacional (CCN-CERT) framework; part of Thales Group since 2022, giving clients access to the parent's global signals intelligence and satellite security capabilities.