This could happen again, to a degree that hasn’t even been imagined yet. Websites like Twitter, SoundCloud, Spotify, and Shopify were inaccessible for a day. Hacker groups Anonymous and New World Hackers allegedly took control of thousands of electronics that still had their default passwords to amass an army of zombie devices, known as a botnet. One of the most notorious DDoS incidents in history - the 2016 Dyn cyberattack - was facilitated by unsecured IoT devices, like security cameras, printers, and baby monitors. For example, we must anticipate that denial of service attacks (DDoS) will become more powerful than ever before. More devices and faster speeds add up to increased security attacks and increased efficiency and efficacy for cybercriminals. This would allow users to remotely check the contents of their fridge or dim their bedroom lights using their phones, but these devices can also be harnessed for nefarious purposes. So, for example, this will allow items like refrigerators or light bulbs to come online. The higher speeds, as well as other functional advantages, will accelerate the inclusion of the internet into more and newer devices, often referred to as the Internet of Things (IoT). In some ways, going from 4G to 5G is like going from fireworks to dynamite sticks. However, despite these upsides, there are potential downsides that should be considered in the rush to the adoption of 5G. Stuart Madnick is the John Norris Maguire Professor of Information Technologies, Emeritus at the MIT Sloan School of Management and the Founding Director of Cybersecurity at MIT Sloan: the Interdisciplinary Consortium for Improving Critical Infrastructure Cybersecurity.ĥG high-speed communication networks promise dramatic increases in communication speeds, perhaps as much as 100-times faster than 4G, that will enable new and improved applications – all of which is great.

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