Proofpoint Isolation
Browser isolation software
Web security software
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What is Proofpoint Isolation
Proofpoint Isolation is a remote browser isolation (RBI) and web isolation product designed to reduce web-borne threats by executing browsing sessions in an isolated environment and delivering a safe rendering stream to the user. It is used by security and IT teams to protect users when accessing untrusted websites, clicking links from email or collaboration tools, and performing web research. The product typically integrates with secure web gateways, email security, and broader security stacks to enforce policy and prevent malware delivery and credential theft via the browser.
Reduces web-borne attack surface
The product isolates web content execution away from the endpoint, which helps prevent drive-by downloads and browser exploit chains from reaching user devices. This approach can also limit exposure to malicious scripts and active content on risky sites. It is well-suited for high-risk user groups and for handling unknown or newly registered domains where reputation controls may be insufficient.
Policy controls for risky browsing
Proofpoint Isolation supports applying different isolation actions based on URL category, risk signals, or user group. Common controls include read-only modes, restricting uploads/downloads, and limiting copy/paste or printing to reduce data leakage. These controls help security teams balance access needs with containment for research and external web access.
Fits into security stack integrations
The product is commonly positioned to work alongside web security and email security workflows, such as isolating links clicked from messages or enforcing isolation for specific destinations. This can streamline incident reduction by shifting certain web threats from detection-and-blocking to containment. Integration-oriented deployment can reduce the need for endpoint changes compared with approaches that rely heavily on local agents.
User experience trade-offs
Isolation can introduce latency, rendering differences, or limitations with highly interactive web applications, especially those requiring advanced graphics, real-time media, or complex authentication flows. Some sites may not function correctly under restrictive policies like read-only or blocked uploads. Organizations often need exception handling and tuning to maintain productivity.
Not a complete web security replacement
Browser isolation reduces exposure to active web threats but does not replace URL filtering, CASB/DLP, or full secure web gateway controls in many environments. Threats such as phishing that relies on user interaction (e.g., credential entry) may still require additional controls like phishing protection, MFA, and identity security. Teams typically deploy it as one layer within a broader web security architecture.
Deployment and cost complexity
Implementing isolation at scale can require careful network routing, identity integration, and policy design to ensure the right traffic is isolated. Licensing and infrastructure choices (cloud service vs. managed components) can affect total cost and operational overhead. Ongoing administration is often needed to manage exceptions, performance, and reporting requirements.
Seller details
Proofpoint, Inc.
Sunnyvale, California, USA
2002
Private
https://www.proofpoint.com/
https://x.com/proofpoint
https://www.linkedin.com/company/proofpoint/
