Why VoIP encryption must be factored into the wider cyber security debate

In a relatively short space of time, the focus on cyber security has grown from an ‘optional extra’ among businesses – something they could either take or leave, without putting too much thought into the wider consequences – to an absolute necessity. From the NHS ‘WannaCry’ attack to the TalkTalk data breach, we seem to read headlines about cyber attack-related incidents all the time, and as a result we are more aware than ever of why staying protected is so necessary.