Gartner Research

Using Secure Web Gateway Technologies to Protect Users and Endpoints

Published: 22 February 2018

ID: G00337219

Analyst(s): Patrick Hevesi , Jon Amato


In this assessment, we will explore the features and functionality of the modern SWG solution and the ways in which technical professionals focused on gateway security can use them to protect enterprise endpoints from web-borne threats.

Table Of Contents


  • Introduction
  • Features and Functionality
    • Secure Web Gateway Features
    • SWGs vs. CASB vs. EFW
    • Implementation Architecture
    • Cloud-Based and Hybrid Secure Web Gateways
    • Content Inspection Engines in SWGs
    • SSL Decryption
  • Risks and Issues
    • Certificate Pinning
    • Performance Implications
    • Privacy and Regulatory Issues
  • Strengths
    • Best Available Defense Against Web-Borne Threats
    • Strong Protection Where Endpoint Agents Are Not Practical
    • Strong Enforcement of Acceptable Web Usage Policies at Scale
  • Weaknesses
    • Privacy and Regulatory Concerns
    • Performance Impact
    • Cloud-First Vendor Strategies May Negatively Impact On-Premises Products
    • Protection on Non-HTTP Ports, Especially When the SWG Is Not Deployed In-Line
    • Some On-Premises Deployment Models May Complicate High-Availability and Disaster Recovery Scenarios


  • Take a Cloud-First Approach to Evaluating Technologies
  • Partner With Legal and HR to Work Through Privacy and Regulatory Issues
  • Choosing Between SWGs, EFWs and CASBs

The Details

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