Secure Remote Access (SRA) is controlled remote connectivity to a system or network. It is not just a VPN or a remote desktop link; SRA usually adds strong authentication, role-based authorization, session logging, and restrictions on what the remote user can do. In industrial and enterprise environments, SRA helps vendors, contractors, and administrators reach live systems without exposing them directly to the internet.
SRA matters because remote access is a common attack path. If credentials are stolen or sessions are poorly governed, attackers can move into sensitive environments, steal data, or disrupt operations. Good SRA reduces that risk by enforcing multi-factor authentication, just-in-time approval, session isolation, and audit trails. Defenders use it to replace standing access with temporary, monitored access, especially in OT networks where safety and uptime are critical. In practice, the security of SRA depends on how tightly identity, logging, segmentation, and revocation are implemented, not on the label alone.