Cellusys SMS Firewall is an industry recognised Tier 1 product that defends a mobile network from all SMS-based messaging attacks, providing full protection from and total control over all messaging on the network. The firewall is built on the same engine/platform as, and forms an integral element of, the Cellusys Protect Unified Signalling Firewall suite, meaning that all the latest technologies and features are available to the SMS Firewall.