From smart cities to smart cars to smart factories, the future will be built on ubiquitous microchips connected by wireless networks. Fifth generation (5G) technology is expected to deliver the high-speed, low-latency wireless infrastructure needed for the “smart” era. However, to move from promise to reality, those networks need to be secure.
The introduction of 5G networks is both a response to the massive wave of digitalization sweeping the economy and a stimulus for further digitalization expansion. According to some estimates, half of the world’s data traffic over the next five years will not be generated by humans, but by computerized devices that do not require human intervention.
Fifth-generation wireless networks offer surprising and important new features and services. But 5G also brings new cybersecurity challenges. Securing networks that utilize potentially insecure components while operating in an inherently insecure world presents new challenges. This problem is magnified by how exponential growth in data traffic threatens the effectiveness of traditional traffic-based cybersecurity monitoring.
The purpose of this paper is not to criticize the amazing engineering that created 5G, but to explore how these decisions proactively address avoidable cybersecurity risks by introducing new network architectures. It is to draw attention to how this is insufficient and at the same time raises new cybersecurity concerns. We suggest how a combination of agile regulatory oversight, corporate focus, and government funding can alleviate these concerns.
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