Nebula is a "scalable overlay networking tool" that allows users to connect computers running anywhere in the world as if they were attached to the same network switch. It was created by the team at Slack to provide a way for hosts spread across a number of data centers and cloud providers to communicate securely. Within the software-defined network created by Nebula, users can place hosts into...

Internet privacy has become an increasingly important issue over the past decade, and most people now understand that websites, businesses, and other entities can easily track and aggregate your personal information while you're online. Some people don't seem to mind this. But a growing number of businesses, activists, journalists, educators, and others are turning to Tor and tools like it to keep...