Why the SS7 protocol is critical to mobile network security

In recent weeks, following an episode of 60 Minutes, you may have heard of the SS7 protocol or SS7 network. For anyone unfamiliar with the technology – and you’re in the majority – the SS7 protocol underpins the world’s mobile networks. It possesses more daily users than the internet and must be used in every instance to send a text or make a phone call, among other uses.