Customers Seeking Appliance Upgrades Can Trade in Existing Hardware MARLBOROUGH, Mass., Oct. 24, 2024 /PRNewswire/ -- Corero Network Security (AIM: CNS) (OTCQB: DDOSF), the distributed denial of service (DDoS) protection specialists, today announced the launch of its new hardware appliance, Network Threat Detector (NTD) 3400, a 400G enhancement to the SmartWall ONE™ DDoS protection appliance. The company is also introducing a new Trade-In Program, offering significant discounts to customers upgrading from l ...