Corero Network Security Plc engages in the development and provision of distributed denial of service defense solutions. Its technology protects against external and internal DDoS threats in complex edge and subscriber environments and ensures Internet service availability. The company operates through the Corero Network Security segment. Its security services are tailored to enhance the Corero SmartWall ONE solution’s defense against DDoS attacks. Its solutions include DDoS Mitigation, DDoS Protection, and DDoS Protection-as-a-service. Its DDoS Mitigation solutions work faster and with less impact than cloud services. The Company’s hardware appliance, the Network Threat Detector (NTD) 3400, is a 400G upgrade to the SmartWall ONE DDoS Protection Appliance. The Company’s operational centers are in Marlborough, Massachusetts, United States, and Edinburgh, the United Kingdom.