Tailscale, a secure networking startup, has raised $160 million in a Series C funding round led by Accel, with participation from notable investors including George Kurtz and Anthony Casalena. Founded in 2019, the company aims to enhance its engineering and product teams to address growing demand in AI and enterprise networks, reflecting a broader trend in venture capital towards larger, concentrated funding rounds for proven companies. Tailscale's rapid growth, evidenced by a doubling of annual recurring revenue and a customer base of 10,000 corporate clients, positions it strategically at the intersection of networking and security, particularly in the AI sector.