Selecting & hardening remote access VPNs

Virtual Private Networks (VPNs) allow users to remotely connect to a corporate network via a secure tunnel. Through this tunnel, users can take advantage of the internal services and protections normally offered to on-site users, such as email/collaboration tools, sensitive document repositories, and perimeter firewalls and gateways. Because remote access VPN servers are entry points into protected networks, they are targets for adversaries. This joint NSA-CISA information sheet provides guidance on

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