RemoteAccess

Remote access refers to processes and technologies that allow an authorized user to reach a computer, server, or network from a location other than its physical site. It supports tasks such as remote administration, technical support, telework, and management of distributed systems.

Common technologies include Virtual Private Networks (VPNs) that provide a secure tunnel to a private network; remote desktop protocols such as RDP and VNC that transmit the desktop interface; Secure Shell (SSH) for command-line access; and agent-based remote management tools and cloud services that broker access through gateways. Deployments may rely on direct connections over the Internet or on intermediary hosts known as bastions or jump hosts to reduce exposure and enforce access controls.

Use cases include IT staff managing servers, help desks providing remote support, employees working remotely, and operators monitoring or configuring network devices and industrial controllers.

Security and governance considerations include strong authentication (preferably multi-factor), encryption in transit, least-privilege access, role-based controls, session timeouts, and comprehensive logging and auditing. Additional safeguards include restricting access by IP or device posture, using bastion hosts, keeping software updated, and limiting the duration of remote sessions.

Risks arise from misconfiguration, exposed endpoints, stolen credentials, and gaps in monitoring. Proper change management, backup, and incident response planning help mitigate potential breaches.

Privacy and compliance considerations involve aligning monitoring and data collection with applicable laws and policies, ensuring access is auditable, and applying data-handling controls in accordance with data protection requirements.

Remote access is a foundational capability in modern IT and operations, enabling flexible work and centralized management while requiring careful security and governance.