The SMS firewall market includes SMS firewall or filtering solutions provided by solution vendors and companies to the Mobile Network Operators (MNOs), SMS aggregators, Mobile Virtual Network Operators (MVNOs), and Mobile Virtual Network Enablers (MVNE). SMS firewall solutions proactively detect, filter, and secure illicit incoming SMS traffic. The SMS firewall vendors are developing innovative products and solutions to provide a pre-emptive and holistic approach to critical telecom businesses. The SMS firewall solutions help telecom operators to regain their revenue which has declined due to Over-the-top (OTT) players and also to provide benefits in terms of reduced operational costs and enhanced customer experience. ___________ 1. Micromarkets are defined as the further segments and subsegments of the global SMS firewall market included in the report 2. Core competencies of the companies are captured in terms of their key developments, key observations, and key strategies adopted by them to sustain their position in the market