Accepted Full Papers
Backdoor Attacks to Graph Neural Networks	Zaixi Zhang: Duke University; Jinyuan Jia: Duke University; Binghui Wang: Duke University; Neil Zhenqiang Gong: Duke University
Expressive Bilateral Access Control for Internet-of-Things in Cloud-Fog Computing	Shengmin Xu: Singapore Management University; Jianting Ning: Singapore Management University: Jinhua Ma: Fujian Normal University; Xinyi Huang: Fujian Normal University; Hwee Hwa Pang: Singapore Management University: Robert Deng: Singapore Management University
In-Memory Policy Indexing for Policy Retrieval Points in Attribute-Based Access Control	Dominic Heutelbeck: FTK e.V. Forschungsinstitut für Telekommunikation und Kooperation; Marc Lucas Baur: FTK e.V. Forschungsinstitut für Telekommunikation und Kooperation; Martin Kluba: FTK e.V. Forschungsinstitut für Telekommunikation und Kooperation
Mutation Analysis of NGAC Policies	Erzhuo Chen: University of Missouri - Kansas City; Vladislav Dubrovenski: University of Missouri - Kansas City; Dianxiang Xu: University of Missouri - Kansas City
Regulating Storage Overhead in Existing PoW-based Blockchains	Frederik Armknecht: Universität Mannheim; Jens-Matthias Bohli: Mannheim University of Applied Sciences; Ghassan Karame: NEC Laboratories Europe; Wenting Li: NEC Laboratories Europe
Revocable and Traceable Blockchain Rewrites using Attribute-based Cryptosystems	Gaurav Panwar: New Mexico State University; Roopa Vishwanathan: New Mexico State University; Satyajayant Misra: New Mexico State University
RMPlib: A Library of Benchmarks for the Role Mining Problem	Simon Anderer: Hochschule Karlsruhe; Bernd Scheuermann: Hochschule Karlsruhe; Sanaz Mostaghim: Otto-von-Guericke University Magdeburg; Patrick Bauerle: SIVIS GmbH; Matthias Beil: SIVIS GmbH
SCIFFS: Enabling Secure Third-Party Security Analytics using Serverless Computing	Isaac Polinsky: North Carolina State University; Pubali Datta: University of Illinois at Urbana-Champaign; Adam Bates: University of Illinois at Urbana-Champaign; William Enck: North Carolina State University
Secure Aggregation Against Malicious Users	Ferhat Karakoç: Ericsson Research; Melek Önen: EURECOM; Zeki Bilgin: Arçelik Research
Towards a Theory for Semantics and Expressiveness Analysis of Rule-Based Access Control Models	Amirreza Masoumzadeh: University at Albany - SUNY; Paliath Narendran: University at Albany - SUNY; Padmavathi Iyer: University at Albany - SUNY
Towards Unifying RBAC with Information Flow Control	Radhika B S: Indian Institute of Technology Bombay; Narendra Kumar N V: Institute for Development and Research in Banking Technology; Shyamasundar R K: Indian Institute of Technology Bombay
Valued Authorization Policy Existence Problem	Jason Crampton: Royal Holloway, University of London; Eduard Eiben: Royal Holloway, University of London; Gregory Gutin: Royal Holloway, University of London; Daniel Karapetyan: University of Nottingham; Diptapriyo Majumdar: Royal Holloway, University of London

Accepted Work-in-Progress Track Papers
Analyzing the Usefulness of the DARPA OpTC Dataset in Cyber Threat Detection Research	Shahrear Iqbal: National Research Council, Canada; Md. Monowar Anjum: National Research Council, Canada; Benoit Hamelin: Canadian Centre for Cyber Security
Towards Correct Smart Contracts: A Case Study on Formal Verification of Access Control	Jonas Schiffl: Karlsruhe Institute of Technology; Matthias Grundmann: Karlsruhe Institute of Technology; Marc Leinweber: Karlsruhe Institute of Technology; Oliver Stengele: Karlsruhe Institute of Technology; Sebastian Friebe: Karlsruhe Institute of Technology; Bernhard Beckert: Karlsruhe Institute of Technolog

Accepted Blue-Sky/Vision Track Papers
Can I Reach You? Do I Need To? New Semantics in Security Policy Specification and Testing	Charalampos Katsis: Purdue University; Fabrizio Cicala: Purdue University; Dan Thomsen: SIFT, LLC; Nathan Ringo: SIFT, LLC; Elisa Bertino: Purdue University
Towards Activity-Centric Access Control for Smart Collaborative Ecosystems	Maanak Gupta: Tennessee Technological University; Ravi Sandhu: University of Texas at San Antonio