| 2023 | SEC | Enhancing the ACME Protocol to Automate the Management of All X.509 Web Certificates. | David A. Cordova Morales, Ahmad Samer Wazan, David W. Chadwick, Romain Laborde, April Rains Reyes Maramara, Kalil Cabral |
| 2021 | SEC | RootAsRole: Towards a Secure Alternative to sudo/su Commands for Home Users and SME Administrators. | Ahmad Samer Wazan, David W. Chadwick, Rmi Venant, Romain Laborde, Abdelmalek Benzekri |
| 2017 | COMPSAC | TLS Connection Validation by Web Browsers: Why do Web Browsers Still Not Agree? | Ahmad Samer Wazan, Romain Laborde, David W. Chadwick, Franois Barrre, Abdelmalek Benzekri |
| 2016 | LCN | How Can I Trust an X.509 Certificate? An Analysis of the Existing Trust Approaches. | Ahmad Samer Wazan, Romain Laborde, David W. Chadwick, Franois Barrre, Abdelmalek Benzekri |
| 2014 | CaiSE | Resolving Policy Conflicts - Integrating Policies from Multiple Authors. | Kaniz Fatema, David W. Chadwick |
| 2013 | TrustCom | Use of Role Based Access Control for Security-Purpose Hypervisors. | Manabu Hirano, David W. Chadwick, Suguru Yamaguchi |
| 2011 | CloudCom | Security APIs for My Private Cloud - Granting access to anyone, from anywhere at any time. | David W. Chadwick, Matteo Casenove |
| 2011 | DASC | Self-Adaptive Authorization Framework for Policy Based RBAC/ABAC Models. | Christopher Bailey, David W. Chadwick, Rogrio de Lemos |
| 2011 | SAC | A controlled natural language interface for authoring access control policies. | Lei Lei Shi, David W. Chadwick |
| 2010 | CCS | CardSpace in the cloud. | David W. Chadwick, George Inman, Paul Coxwell |
| 2009 | ACSAC | How to Securely Break into RBAC: The BTG-RBAC Model. | Ana Ferreira, David W. Chadwick, Pedro Farinha, Ricardo Joo Cruz Correia, Gansen Zhao, Rui Chilro, Luis Filipe Coelho Antunes |
| 2009 | SEC | Which Web Browsers Process SSL Certificates in a Standardized Way? | Ahmad Samer Wazan, Romain Laborde, David W. Chadwick, Franois Barrre, Abdelmalek Benzekri |
| 2008 | CCGRID | Advanced Security for Virtual Organizations: The Pros and Cons of Centralized vs Decentralized Security Models. | Richard O. Sinnott, David W. Chadwick, Thomas Doherty, David B. Martin, Anthony Stell, Gordon Stewart, Linying Su, John P. Watt |
| 2008 | DBSEC | Panel Session: What Are the Key Challenges in Distributed Security?. | Steve Barker, David W. Chadwick, Jason Crampton, Emil Lupu, Bhavani Thuraisingham |
| 2008 | Middleware | Enforcing "sticky" security policies throughout a distributed application. | David W. Chadwick, Stijn F. Lievens |
| 2008 | WETICE | On the Modeling of Bell-LaPadula Security Policies Using RBAC. | Gansen Zhao, David W. Chadwick |
| 2008 | SOUPS | Expressions of expertness: the virtuous circle of natural language for access control policy specification. | Philip Inglesant, Martina Angela Sasse, David W. Chadwick, Lei Lei Shi |
| 2007 | AINA | Flexible and Manageable Delegation of Authority in RBAC. | Tuan-Anh Nguyen, Linying Su, George Inman, David W. Chadwick |
| 2007 | AINA | Obligations for Role Based Access Control. | Gansen Zhao, David W. Chadwick, Sassa Otenko |
| 2007 | EUC | Obligations for Privacy and Confidentiality in Distributed Transactions. | Uche M. Mbanaso, G. S. Cooper, David W. Chadwick, Anne Anderson |
| 2007 | ICDE | Multi-session Separation of Duties (MSoD) for RBAC. | David W. Chadwick, Wensheng Xu, Sassa Otenko, Romain Laborde, Bassem Nasser |
| 2007 | SecureComm | Aggregation of attributes from different authorities. | David W. Chadwick |
| 2007 | TrustBus | Recognition of Authority in Virtual Organisations. | Tuan-Anh Nguyen, David W. Chadwick, Bassem Nasser |
| 2006 | AINA | Distributed Key Management for Secure Role based Messaging. | Gansen Zhao, Sassa Otenko, David W. Chadwick |
| 2006 | CBMS | How to Break Access Control in a Controlled Manner. | Ana Ferreira, Ricardo Joo Cruz Correia, Luis Antunes, Pedro Farinha, E. Oliveira-Palhares, David W. Chadwick, Altamiro da Costa Pereira |
| 2006 | Middleware | Providing secure coordinated access to grid services. | David W. Chadwick, Linying Su, Romain Laborde |
| 2006 | WoWMoM | Privacy Preserving Trust Authorization Framework Using XACML. | Uche M. Mbanaso, G. S. Cooper, David W. Chadwick, Seth Proctor |
| 2006 | WETICE | Authorisation Using Attributes from Multiple Authorities. | David W. Chadwick |
| 2005 | ICECCS | Evolving Messaging Systems for Secure Role Based Messaging. | Gansen Zhao, David W. Chadwick |
| 2005 | WETICE | Trust Infrastructure for Policy based Messaging In Open Environments. | Gansen Zhao, David W. Chadwick |
| 2003 | DBSEC | Persistent versus Dynamic Role Membership. | Jean Bacon, David W. Chadwick, Alexander Otenko, Ken Moody |
| 2003 | DBSEC | Modifying LDAP to Support PKI. | David W. Chadwick, Edward Ball, M. V. Sahalayev |
| 2002 | DBSEC | Privacy and Civil Liberties. | David W. Chadwick, Martin S. Olivier, Pierangela Samarati, Eleanor Sharpston, Bhavani Thuraisingham |
| 2002 | SACMAT | The PERMIS X.509 role based privilege management infrastructure. | David W. Chadwick, Alexander Otenko |
| 2002 | SEC | RBAC Policies in XML for X.509 Based Privilege Management. | David W. Chadwick, Alexander Otenko |
| 1998 | NDSS | Enabling the Internet White Pages Service - the Directory Guardian. | David W. Chadwick, Andrew J. Young |
| 1997 | NDSS | Trust Models in ICE-TEL. | Andrew J. Young, Nada Kapidzic Cicovic, David W. Chadwick |