Tailscale is a software company based in Toronto, Ontario, founded in 2019. It develops a partially open-source software-defined mesh virtual private network (VPN) and a web-based management service. Tailscale provides a zero-configuration VPN service that simplifies secure connectivity for users, services, and devices. It leverages WireGuard's Noise protocol encryption to create secure networks between servers, computers, and cloud instances, aiming to replace traditional VPNs with a fast, reliable, and identity-first networking platform. The company focuses on secure, identity-first networking for modern applications, teams, and workflows, offering features like automated user onboarding, SSH session recording, and audit log streaming for enterprises.