ZTunnel is a network tunneling solution developed by Zscaler that enables secure and seamless access to cloud applications and services. It acts as a secure intermediary, encrypting and routing traffic from users to the internet while ensuring policy enforcement and threat protection. By leveraging Zscaler's cloud infrastructure, ZTunnel helps organizations improve security and performance without the need for traditional VPNs. This solution is particularly beneficial for remote or mobile users accessing corporate resources.