Stopping VoIP Fraud: Practical Strategies to Detect and Prevent Attacks
Service providers have long recognized that Voice over Internet Protocol (VoIP) services are vulnerable to a variety of fraudulent activities. Certain inherent weaknesses — most notably three-way calls and call transfers — can be exploited by attackers. In these cases, fraudsters inject call-control signals into the network and effectively hijack active sessions. The result is … Read more