NSFOCUS Technologies Group Co., Ltd., together with its subsidiaries, provides Internet and application security services in China and internationally. The company offers holistic, carrier-grade, and hybrid distributed denial of service (DDoS); and web security solutions. It also provides cloud DDoS protection services, which defeats DDoS attacks that impact infrastructure and internet services; continuous threat exposure management services, which is a set of processes and capabilities for identifying, assessing, and mitigating risks within an organization's digital environment; threat intelligence subscription services that minimizes risk and enhances overall security postures; exposure internet surface analysis, which identifies and pinpoints exposure and vulnerability on the Internet; and attack threat monitoring services for DDoS threat analysis and assessment. In addition, the company offers DDoS attack protection, security operation, remote security assessment system, web application and API protection, firewall, and intrusion prevention products; and DDoS defenses, value-added services for internet and managed service providers, 5G network security solutions, and cloud-in-a-box solutions. Further, it provides product support, professional security assessment, managed security, and training services. Additionally, the company engages in software and information technology services; technology promotion and application services; research and experimental development; and professional technical services. It serves telecom carriers, data centers, financial services companies, cloud service providers, managed security services providers, and enterprises. NSFOCUS Technologies Group Co., Ltd. was founded in 2000 and is headquartered in Beijing, China.