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Information Disclosure and Security Vulnerability Awareness: A Large-Scale Randomized Field Experiment in Pan-Asia

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Title:Information Disclosure and Security Vulnerability Awareness: A Large-Scale Randomized Field Experiment in Pan-Asia
Authors:Zhuang, Yunhui
Choi, Yunsik
He, Shu
Leung, Alvin Chung-Man
Lee, Gene Moo
show 1 moreWhinston, Andrew
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Keywords:Strategy, Information, Technology, Economics and Society (SITES)
policy design
show 5 morephishing
information security index
organizational security
randomized field experiment
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Date Issued:07 Jan 2020
Abstract:This paper investigates how the disclosure of a security vulnerability index based on outgoing spams and phishing website hosting which may serve as an indicator of a firm’s inadequate security controls affects companies’ security protection strategy. Our core objective is to study whether firms improve their security when they become aware of their vulnerabilities and such information is publicized. To achieve this goal, we conduct a randomized field experiment on 1,262 firms in six Pan-Asian countries and regions. Among 631 treatment firms, we alert them of their security vulnerability index and ranking over time, and their relative performance compared to their peers via emails and a public advisory website. Compared with control firms without being informed of their security vulnerability index, treatment firms improve their security over time, with a significant reduction of outgoing spam volume. A marginally significant improvement in reducing phishing hosting websites is also observed among non-web hosting treatment firms. The security improvement may be attributed to firms’ proactive reaction to the public security vulnerability information. Our study provides cybersecurity policy makers with useful insights to motivate firms to adopt better security measures.
Pages/Duration:10 pages
Rights:Attribution-NonCommercial-NoDerivatives 4.0 International
Appears in Collections: Society, Information, Technology, Economics and Strategy (SITES)

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