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Document Object Model (DOM) Reconstruction
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Table of Contents

What is document object model (DOM) reconstruction?

Document Object Model (DOM) reconstruction is a technique used in Remote Browser Isolation (RBI) security to protect users from malicious content on the web. It involves rewriting every webpage before delivering it to the user's local browser, removing any potentially malicious code or known exploits.

DOM reconstruction aims to eliminate active code and other threats while maintaining the overall structure and functionality of the webpage.
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How does DOM reconstruction work?

DOM reconstruction works by intercepting web content before it reaches the user's browser. The RBI security solution analyzes the HTML, CSS, and other elements of the webpage, identifying and removing any potentially malicious code or known exploits.

This process involves parsing the webpage's code, identifying and neutralizing threats, and reconstructing the DOM to ensure a safe browsing experience for the user.

What are the advantages of DOM reconstruction?

DOM reconstruction offers several benefits in the context of RBI security:

  • Enhanced security: By removing potentially malicious code and known exploits, DOM reconstruction significantly reduces the risk of users encountering harmful content or falling victim to web-based attacks. It adds an extra layer of protection against threats that traditional security measures may not detect.
  • Improved performance: DOM reconstruction reduces the latency of some pixel pushing solutions, which improves the overall browsing experience by delivering web content directly to the user's local browser.
  • Cost-effectiveness: Compared to some pixel pushing solutions, DOM reconstruction can be more cost-effective as it eliminates the need for extensive server-side rendering and transmission of web content. It reduces the operational costs associated with RBI security while still providing robust protection against web-based threats.

What are the disadvantages of DOM reconstruction?
  • Diminished security: While providing additional security, DOM reconstruction does present limitations in terms of protection. DOM reconstruction recreates webpage content and doesn’t entirely isolate it from the local device or network. Because it’s not possible to sanitize webpage elements of all vulnerabilities, DOM reconstruction leaves users at risk of compromise and is less secure than pixel pushing solutions.
  • User experience: DOM reconstruction can break pages as it attempts to clean and reconstruct webpage elements. This can lead to an inferior user experience.

How does Vade's solution compare to DOM reconstruction?

Unlike solutions that use DOM reconstruction, Vade Remote Browser Isolation (RBI) secures browsing sessions in a fully remote and isolated container with no risk of compromise to the local endpoint or network. The solution leverages Fast Pixel Technology (FPT) to deliver an optimal user experience with little-to-no latency.
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