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Remote Browser Isolation

Also known as:RBI

Remote Browser IsolationIsolationThe separation of a system, process, or resource to limit access and prevent spread.: Execution of web content in a remote, isolated environment. ImplementationImplementationThe practical realization of a security design, requirement, or control in a system or process. requires a holistic view of architecture, permissions, hardening, monitoringMonitoringThe continuous observation of systems, identities, networks, and controls for relevant changes., dependencies, and operational recoveryRecoveryThe controlled restoration of systems, data, and business services after a disruption..

How it works and where it fits

Remote Browser Isolation is a preventive, detective, or corrective security control. Its effect depends on where it sits in the architecture, which data and decisions it processes, and how it might be bypassed. A control reduces a defined risk but rarely removes it completely, so it should be combined with additional layers of protection.

Practical security relevance

Before deployment, the objective, ownership, coverage, and expected behavior should be defined. Secure defaults, controlled exceptions, logging, and periodic effectiveness tests matter more than installation alone. Operational metrics should expose both blocked or detected activity and gaps, false alerts, and effects on legitimate business processes.

  • Web Application FirewallWeb Application FirewallFilters HTTP traffic to protect web applications against common attacks.: Filters HTTP traffic to protect web applications against common attacks.
  • URL FilteringURL FilteringControl of access to web addresses based on categories, reputation, or policies.: Control of access to web addresses based on categories, reputation, or policies.
  • MalwareMalwareUmbrella term for software with malicious or unwanted functionality.: Umbrella term for software with malicious or unwanted functionality.
  • SandboxingSandboxingExecutes unknown code in isolation to observe its effects and behavior.: Executes unknown code in isolation to observe its effects and behavior.

Related terms