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2. Nikolay Pankov, Protect networked IoT devices or protect the network from IoT devices? https://www.kaspersky.com/blog/rsa2021-dangerous-iot/40161/.
3. esentire, Reaper IoT Botnet, https://www.esentire.com/security-advisories/reaper-iot-botnet.
4. McKinsey&Company, The road to 5G: The inevitable growth of infrastructure cost, https://www.mckinsey.com/industries/technology-media-and-telecommunications/our-insights/the-road-to-5g-the-inevitable-growth-of-infrastructure-cost.
5. Mark Jackson, VoIP Provider Voipfone UK knocked out by DDoS attack AGAIN UPDATE, https://www.ispreview.co.uk/index.php/2021/10/voip-provider-voipfone-uk-knocked-out-by-ddos-attack-again.html.