What does Blue Shield high-frequency anti-fraud mean?

A process to combat telecommunications fraud. The Tianyi Blue Shield system is based on the dynamic data of China Telecom's communication network and integrates big data technology, network positioning, network control, and user contact technology to achieve a one-stop intelligent anti-fraud service system that focuses on active defense. A process to combat telecommunications fraud. The system can analyze various abnormal traffic such as malicious, text harassment, high imitation, fraud and illegal numbers, and solve the problem of early active identification and active defense of fraudulent calls and text messages.