Andreis Purim and Heitor Nolla. 2026. The end of privacy by obscurity? Revisiting implicit privacy assumptions in the design of information systems. In Companion Proceedings of the 22nd Brazilian Symposium on Information Systems, May 25, 2026, Vitória/ES, Brasil. SBC, Porto Alegre, Brasil, 385-392. DOI: https://doi.org/10.5753/sbsi_estendido.2026.249126.