@inproceedings{AccountRecoveryCCS19,
 author = {Hammann, Sven and Radomirovi\'{c}, Sa\v{s}a and Sasse, Ralf and Basin, David},
 title = {User Account Access Graphs},
 booktitle = {Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security},
 series = {CCS '19},
 year = {2019},
 isbn = {978-1-4503-6747-9},
 location = {London, United Kingdom},
 pages = {1405--1422},
 numpages = {18},
 url = {http://doi.acm.org/10.1145/3319535.3354193},
 doi = {10.1145/3319535.3354193},
 acmid = {3354193},
 publisher = {ACM},
 address = {New York, NY, USA},
 keywords = {account recovery, graph models, single sign-on, user account security},
}