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What is a VPN? A secure network over the internet

VPNs date back to the 1990s when the public internet lacked almost any form of security, and the technology was developed to provide secure and cost-effective connections across this insecure landscape.

VPNs have become widely deployed across enterprise networks and experienced a surge during the pandemic, when companies had to scramble to provide secure remote access to employees who were suddenly working from home.

VPNs remain popular today, but they are also slowly but surely being supplanted by more flexible, more secure, more granular alternatives, such as SD-WANZero Trust Network Architecture (ZTNA), and SASE, a cloud-based service that includes SD-WAN, ZTNA and other security features.

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Source:: Network World – IoT