Tailscale

What it does

Tailscale is a Zero Trust identity-based connectivity platform that replaces legacy VPNs, SASE, and PAM solutions. It enables secure remote access to apps, data, infrastructure, and AI workloads across multi-cloud, on-prem, and edge environments. The platform uses a mesh overlay network to connect devices, enforce least-privilege access, and provide auditable access to SSH, Kubernetes, databases, and more. Tailscale also offers Aperture, a feature set for securing AI usage, including shadow AI detection, corporate data access controls, and AI agent management.

Who it is for

Tailscale serves IT, security, DevOps, and engineering teams in businesses of all sizes. It is designed for organizations that need to connect remote teams, multi-cloud environments, CI/CD pipelines, edge/IoT devices, and AI workloads securely. The platform is used by over 30,000 businesses, including notable customers like Corelight, Cribl, Instacart, Cohere, Duolingo, Hugging Face, Mistral AI, Microsoft, Nvidia, and others. It is particularly valuable for companies looking to replace legacy VPNs, simplify privileged access management, and gain visibility into AI tool usage.

Why it matters

Traditional VPNs and network security tools are often complex to deploy, manage, and scale. Tailscale simplifies secure connectivity with identity-based access, eliminating the need for bastion hosts, public exposure, or complex firewall rules. Its Aperture features address the growing challenge of shadow AI—unauthorized use of AI tools by employees—by providing visibility and control over AI access. The platform also reduces support requests (e.g., Instacart saw a 90% reduction) and saves time on connectivity issues (e.g., Corelight saved 1,000+ hours). Tailscale’s ease of use and rapid deployment (minutes) make it a practical choice for modern, distributed teams.

Launch signal

Tailscale has been in the market for several years and is well-established, with a Series C funding stage. The recent update to Aperture, announced in a BetaKit article, signals a strategic expansion into AI security. The platform is actively used by major enterprises and has a strong developer community, as evidenced by numerous positive testimonials on its website. Tailscale also hosts webinars and events, such as "The ROI of Modern Secure Access" on June 23, indicating ongoing product development and customer engagement.

Brand and naming

The name "Tailscale" suggests a lightweight, flexible, and scalable solution—like a tail that follows and adapts. The brand positions itself as modern, developer-friendly, and focused on simplicity and security. The tagline "The best secure connectivity platform for the AI era" emphasizes its relevance to current technology trends. The visual identity uses a playful animal motif (a tail) and clean, modern design, appealing to technical audiences. The naming is memorable and distinctive, standing out in the crowded VPN and network security space.