In the realm of critical infrastructure, the need for robust security measures is paramount, as vulnerabilities could lead to catastrophic consequences, such as jeopardizing millions of lives through infected grid sensors or compromising defense communications in war zones. Appgate SDP, a leading Zero Trust Network Access (ZTNA) solution, is purpose-built to safeguard critical infrastructure from intrusion, exploitation, and data exfiltration. It offers rapid deployment behind edge firewalls, ensuring secure and straightforward connections for remote users to vital infrastructure resources.