Visible to the public PrivacyCheck's Machine Learning to Digest Privacy Policies: Competitor Analysis and Usage Patterns

TitlePrivacyCheck's Machine Learning to Digest Privacy Policies: Competitor Analysis and Usage Patterns
Publication TypeConference Paper
Year of Publication2020
AuthorsZaeem, Razieh Nokhbeh, Anya, Safa, Issa, Alex, Nimergood, Jake, Rogers, Isabelle, Shah, Vinay, Srivastava, Ayush, Barber, K. Suzanne
Conference Name2020 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology (WI-IAT)
Keywordsbrowser extension, Browsers, competitor analysis, Human Behavior, intelligent agents, machine learning, Organizations, PET, privacy, privacy enhancing technologies, Privacy Policies, privacy policy, PrivacyCheck, pubcrawl, Scalability, Software, Tools, usable privacy
AbstractOnline privacy policies are lengthy and hard to comprehend. To address this problem, researchers have utilized machine learning (ML) to devise tools that automatically summarize online privacy policies for web users. One such tool is our free and publicly available browser extension, PrivacyCheck. In this paper, we enhance PrivacyCheck by adding a competitor analysis component-a part of PrivacyCheck that recommends other organizations in the same market sector with better privacy policies. We also monitored the usage patterns of about a thousand actual PrivacyCheck users, the first work to track the usage and traffic of an ML-based privacy analysis tool. Results show: (1) there is a good number of privacy policy URLs checked repeatedly by the user base; (2) the users are particularly interested in privacy policies of software services; and (3) PrivacyCheck increased the number of times a user consults privacy policies by 80%. Our work demonstrates the potential of ML-based privacy analysis tools and also sheds light on how these tools are used in practice to give users actionable knowledge they can use to pro-actively protect their privacy.
DOI10.1109/WIIAT50758.2020.00042
Citation Keyzaeem_privacychecks_2020