Preprint
Aug 2026
Lost in Permissions: Exploring the Microsoft 365 App Ecosystem
This work presents the first privacy- and security-oriented measurement of M365 third-party applications, and finds that only 1,069 of them expose both descriptions and permission sets, with significant inconsistencies in transparency across official distribution channels.
Vincenzo Longo, Alberto Verna, Nikhil Jha et al.
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