When Does Website Blocking Actually Work?

Aaron Herps

doi:10.3390/laws14060081

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When Does Website Blocking Actually Work?

2025-10-26

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DOI：10.3390/laws14060081

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Abstract

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This study systematically evaluates website blocking as both an anti-piracy enforcement mechanism and a cybersecurity control, analyzing its effectiveness in reducing piracy across four Southeast Asian jurisdictions with distinct legal frameworks, assessing blocking speed, procedural barriers, and circumvention tactics, providing new empirical insights for policymakers and cybersecurity practitioners. Using a quasi-experimental design during the COVID-19 pandemic, this research examines the impact of website blocking measures in Indonesia, Vietnam, Malaysia, and Singapore. For the first time, the findings reveal that swift, systematic website blocking-exemplified by Indonesia-serves as an effective cybersecurity control, significantly reducing access to infringing content while redirecting traffic toward legitimate platforms. Jurisdictions with procedural delays and inconsistent enforcement, however, demonstrate limited efficacy, highlighting the need for dynamic responses to evolving threats such as domain hopping and proxy servers. The findings inform broader cybersecurity applications like network segmentation, access control, and threat intelligence. This work links traditional copyright enforcement to proactive incident detection and response strategies, providing insights into broader applications for cybersecurity, such as network segmentation, access control, and threat intelligence.

Keywords:

piracy

website blocking

cybersecurity

threat intelligence

quasi-experimental methods