@inproceedings{sun2021having, title = {{Having Your Cake and Eating It: An Analysis of Concession-Abuse-as-a-Service}}, author = {Sun, Zhibo and Oest, Adam and Zhang, Penghui and Rubio-Medrano, Carlos E and Bao, Tiffany and Wang, Ruoyu and Zhao, Ziming and Shoshitaishvili, Yan and Doup{\'e}, Adam and Ahn, Gail-Joon}, booktitle = {Proceedings of the 30th USENIX Security Symposium (USENIX)}, year = 2021 }