The core activity of TelcoGuard is the development and provision of solutions for the prevention of fraud and the security of A2P (Application-to-Person) traffic for mobile network operators. This includes in particular: SMS fraud detection and prevention, network security and audit, flash call prevention, messaging security and firewall, voice fraud protection, HLR lookup and MNP lookup, SS7 vulnerability check, managed services and tech consulting. The company focuses on developing solutions that help mobile network operators prevent fraud, protect their networks and maximize their revenue.