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InfoResearchPeer-reviewed

PriLabel: Toward Comprehensively Uncovering Omitted Disclosures in Privacy Labels of Android Apps on a Large Scale

Source
IEEE Xplore (Security & AI Journals)(opens in a new tab)
Published
Record updated

Summary

PriLabel is a static auditor that checks whether Android apps omit disclosures from their Google Play privacy labels. It builds on Iterative Context Reconstruction (ICR), which rebuilds context from decompiled code to resolve semantic ambiguity, and maps transmitted data to Google's label taxonomy without source code or an ontology. Tested on 4,851 top-installed apps, it reported 91.5% precision and found 2,374 apps omitting at least one disclosure, 210 of which transmitted sensitive financial data such as credit card numbers without proper labeling.