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Title: AdSentry: Comprehensive and flexible confinement of JavaScript-based advertisements
Authors: Dong, X.
Tran, M.
Liang, Z. 
Jiang, X.
Issue Date: 2011
Citation: Dong, X.,Tran, M.,Liang, Z.,Jiang, X. (2011). AdSentry: Comprehensive and flexible confinement of JavaScript-based advertisements. ACM International Conference Proceeding Series : 297-306. ScholarBank@NUS Repository.
Abstract: Internet advertising is one of the most popular online business models. JavaScript-based advertisements (ads) are often directly embedded in a web publisher's page to display ads relevant to users (e.g., by checking the user's browser environment and page content). However, as third-party code, the ads pose a significant threat to user privacy. Worse, malicious ads can exploit browser vulnerabilities to compromise users' machines and install malware. To protect users from these threats, we propose AdSentry, a comprehensive confinement solution for JavaScript-based advertisements. The crux of our approach is to use a shadow JavaScript engine to sandbox untrusted ads. In addition, AdSentry enables flexible regulation on ad script behaviors by completely mediating its access to the web page (including its DOM) without limiting the JavaScript functionality exposed to the ads. Our solution allows both web publishers and end users to specify access control policies to confine ads' behaviors. We have implemented a proof-of-concept prototype of AdSentry that transparently supports the Mozilla Firefox browser. Our experiments with a number of ads-related attacks successfully demonstrate its practicality and effectiveness. The performance measurement indicates that our system incurs a small performance overhead. Copyright 2011 ACM.
Source Title: ACM International Conference Proceeding Series
ISBN: 9781450306720
DOI: 10.1145/2076732.2076774
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