In the era of Internet of Things (IoT), blockchain, AI, and many other emerging technologies, it is a daily nightmare encountered by organizations from both public and private sectors, big and small, struggling to react to the aftermath of the constant cybersecurity breaches and ransomware attacks. The situation can only get worse in a few more years when the global IPv6 adoption rate will reach 100% running in parallel with IPv4, effectively doubling the overall attack vectors. Thus we must change our cybersecurity strategy dramatically now to efficiently secure and effectively defend the global network infrastructure before the time is running out. It is high time to adopt and enforce an IPv6-only policy worldwide and set a specific deadline to sunset IPv4 globally.