NetScout Systems specializes in service assurance and cybersecurity, operating globally to protect digital infrastructure from performance disruptions and cyber threats. The company's core offerings include the nGeniusONE management software for network performance monitoring and the Arbor product line for DDoS mitigation and advanced threat detection. NetScout utilizes its proprietary deep packet inspection technology to analyze high-volume network traffic in real time. Its hardware portfolio includes packet flow switches, network taps, and probes that aggregate and distribute data across complex physical, virtual, and cloud environments. The company generates revenue through a mix of product sales and ongoing service and support contracts.