NSFOCUS is a network and application security company with over 25 years of experience, operating globally with 3000+ employees from headquarters in Beijing, China and Milpitas, California. The company serves more than 200,000 customers including telecommunications carriers, data centers, financial services companies, cloud service providers, managed security service providers, and enterprises worldwide.

The company operates a multi-tenant, distributed cloud security platform deployed in data centers around the world. Their product portfolio includes DDoS protection solutions (both on-premises and cloud-based), web application firewalls (WAF), cloud WAAP, next-generation firewalls (NGFW), and next-generation intrusion prevention systems (NGIPS). They offer hybrid DDoS defense solutions that combine on-premises and cloud-based protection.

NSFOCUS provides threat intelligence services, attack threat monitoring, and security operations capabilities through their Intelligent Security Operations Platform (ISOP). Their vulnerability management offerings include web vulnerability scanning systems, remote security assessment systems, and a threat and vulnerability management platform. They also offer external attack surface management (EASM), continuous threat exposure management (CTEM), and digital risk protection services.

The company maintains NSFOCUS Security Labs with research teams focused on vulnerability analysis, threat understanding, and security intelligence. They provide penetration testing as a service (PTaaS) and threat analysis systems. Their Active Defense Business Operating System (ADBOS) integrates various security functions, and they have developed AI-enhanced security operations capabilities including SecLLM for network security enhancement.