@inproceedings {238329, author = {Camelia Simoiu and Joseph Bonneau and Christopher Gates and Sharad Goel}, title = {"I was told to buy a software or lose my computer. I ignored it": A study of ransomware}, booktitle = {Fifteenth Symposium on Usable Privacy and Security (SOUPS 2019)}, year = {2019}, isbn = {978-1-939133-05-2}, address = {Santa Clara, CA}, pages = {155--174}, url = {https://www.usenix.org/conference/soups2019/presentation/simoiu}, publisher = {USENIX Association}, month = aug } @inproceedings {217460, author = {Doowon Kim and Bum Jun Kwon and Kristi{\'a}n Koz{\'a}k and Christopher Gates and Tudor Dumitras}, title = {The Broken Shield: Measuring Revocation Effectiveness in the Windows {Code-Signing} {PKI}}, booktitle = {27th USENIX Security Symposium (USENIX Security 18)}, year = {2018}, isbn = {978-1-939133-04-5}, address = {Baltimore, MD}, pages = {851--868}, url = {https://www.usenix.org/conference/usenixsecurity18/presentation/kim}, publisher = {USENIX Association}, month = aug }