Spirent Communications is a provider of automated test and assurance solutions for networks, cybersecurity, and positioning. It operates in two segments: Lifecycle Service Assurance and Networks and Security. The Lifecycle Service Assurance segment specializes in testing 5G mobile networks and cellular and Wi-Fi devices. The Networks and Security segment develops testing methodologies, tools, and services for virtualized networks, cloud, and security validation. The company caters to the transportation, government, defense, aerospace, automotive, healthcare, and other industries.