This guide teaches how to securely network on-prem and cloud assets using Tailscale, a WireGuard-based zero-config software-defined network. The author, Rami (drunkrhin0), shares their experience as a Security Solutions Architect at Bugcrowd and highlights the importance of securing offensive tools for protection of data and safeguarding organizations' data. The tutorial covers creating and securing a software-defined network, masking and routing network traffic through exit nodes, sharing files, SSH access without an SSH key, and setting up firewalls to restrict incoming and outgoing traffic. Tailscale is used to create a secure network for recon workflows, and the guide demonstrates how to set up Tailscale, configure VPS settings, install security tools like Amass, enable IP forwarding, advertise VPS as an exit node, and share folders with other users on the Tailnet. The tutorial also shows how to use Tailscale SSH to securely access servers without using SSH keys.