How quantum cryptography will soon be shaping online security
Encryption

How quantum cryptography will soon be shaping online security

This is a contributed piece from Neil Bramley, B2B client solutions business unit director at Toshiba Northern Europe

The basic building blocks of computing are set to morph from maths to physics in the future with the introduction of quantum computing which, although years in the making, is still some way from mainstream adoption. Global Industry Analysts forecasts its global market to reach $2 billion by 2024, a growth which is primarily driven by a constant need for the most secure online data transmission possible. Quantum cryptography is emerging from this ongoing development as a highly-evolved protection method, necessary to combat ever-increasing security threats.

With the continuing rise of the Internet of Things (IoT), a vast number of smart devices and peripherals are connecting to the cloud. Cisco suggests a staggering 14.1 zettabytes of data will be present in the cloud in 2020, compared to just 3.9 zettabytes in 2015. With such an immense amount of data putting a considerable strain on the cloud, 5G’s impending arrival promises relief. It’s also – paradoxically – a factor in the cloud’s growth: there will be a projected subscription base of half a billion by 2022, as the surge in speed promised will push mobile and IoT data usage to new heights. Consequently, by 2021, IDC predicts that global IoT spending will reach $1.4 trillion in order to try and cope with these swathes of data.

With data so prevalent, encryption is one of the most popular types of protection in cybersecurity: over 80 per cent of mobile device data is encrypted, a far higher percentage than corporate data despite its generally more sensitive content. All of this data presents a target to would-be hackers, whether in the cloud or on devices, particularly when cyber-security is a recognised shortfall of businesses; one only has to consider the recent high-profile WannaCry and Petya ransomware attacks.

Everyone’s jumping on the quantum bandwagon, but just how close is quantum computing?

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