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A Web Tool for Generating High Quality Machine-readable Biological Pathways
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DOMtegrity: ensuring web page integrity against malicious browser extensions.

Ehsan Toreini1, Siamak F Shahandashti2, Maryam Mehrnezhad1

  • 11School of Computing, Newcastle University, Newcastle upon Tyne, UK.

International Journal of Information Security
|October 22, 2019
PubMed
Summary
This summary is machine-generated.

Malicious browser extensions can bypass two-factor authentication by compromising web content integrity. DOMtegrity is a new protocol protecting Document Object Model integrity without browser changes.

Keywords:
Browser extensionDOMtegrityJavaScriptMan in the browserWeb Crypto APIWeb page integrityWebExtension

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Cryptography

Background:

  • Malicious browser extensions pose a significant threat to web content integrity.
  • Existing security measures like two-factor authentication do not address content integrity vulnerabilities.
  • Attacks on online banking websites demonstrate how compromised content integrity can undermine security.

Purpose of the Study:

  • To introduce DOMtegrity, a novel cryptographic protocol for ensuring end-to-end Document Object Model (DOM) integrity.
  • To protect web pages from malicious manipulation by browser extensions from server delivery to browser rendering.
  • To provide a solution that does not require modifications to browser architecture or additional hardware.

Main Methods:

  • Developing and implementing the DOMtegrity cryptographic protocol.
  • Designing attacks to demonstrate vulnerabilities in web content integrity on real-world banking sites.
  • Exploiting differences between browser extensions and in-line JavaScript for security.
  • Conducting extensive experiments on over 14,000 real-world browser extensions.

Main Results:

  • Demonstrated that ignoring web content integrity can defeat two-factor authentication.
  • DOMtegrity effectively prevents the implemented attacks and a range of man-in-the-browser attacks.
  • Evaluated the effectiveness of DOMtegrity against a large dataset of real-world extensions.

Conclusions:

  • DOMtegrity offers a robust solution for securing web content integrity against malicious browser extensions.
  • The protocol enhances security without imposing significant performance overhead or requiring user-side modifications.
  • Addressing DOM integrity is crucial for comprehensive online security, complementing existing authentication methods.