1. Mohamed Shehab, Arif Ghafoor, and Elisa Bertino, Secure Collaboration in a Mediator-Free Distributed Environment, IEEE Transactions on Parallel and Distributed Systems, Volume 19, Issue 10, October 2008.

2. Mohamed Shehab, Elisa Bertino, Arif Ghafoor, Watermarking Relational Databases using Optimization Based Techniques, IEEE Transactions of Knowledge and Data Engineering (TKDE), Volume 20,  Issue 1,  Jan. 2008 Page(s):116 - 129. [PDF]

3. Mohamed Shehab, Kamal Bhattacharya, and Arif Ghafoor, Web Services Discovery in Secure Collaboration Environments, ACM Transactions on Internet Technology (TOIT), Volume 8, Issue 1, 2008. [PDF]

4. Mohamed Shehab, Elisa Bertino, and Arif Ghafoor, Workflow Authorisation in Mediator-free Environments, International Journal of Security and Networks, Volume 1, Issue 1, 2006. [PDF]

5. Rafae Bhatti, Basit Shafiq, Mohamed Shehab, and Arif Ghafoor, Distributed Access Management in Multimedia  IDCs, IEEE Computer, Volume 38, Issue 9, September 2005. [PDF]

1. Said Marouf, Mohamed Shehab, Anna Cinzia Squicciarini, Smitha Sundareswaran, Statistics & Clustering Based Framework for Efficient XACML Policy Evaluation, IEEE International Symposium on Policies for Distributed Systems and Networks (Policy'09), July 2009, London, UK. [PDF]

2. Anna Cinzia Squicciarini, Mohamed Shehab, and Federica Paci, Collective Privacy Management in Social Networks, WWW 2009: 18th International World Wide Web Conference, April, 2009, Madrid, Spain. Acceptance rate: 11.8% (104/879). [PDF]

3. Mohamed Shehab, Anna Cinzia Squicciarini and Gail-Joon Ahn, Beyond User-to-User Access Control for Online Social Networks, ICICS 2008: 10th International Conference on Information and Communications Security, October, 2008, Birmingham, UK. [PDF]

4. Mohamed Shehab, Elisa Bertino and Arif Ghafoor, Proactive Role Discovery in Mediator-Free Environments, IEEE P2P'08: Eighth International Conference on Peer-to-Peer Computing, RWTH Aachen, Germany, September 8-11, 2008. [PDF]

5. Gail-J. Ahn, Moonam Ko and Mohamed Shehab, Portable User-Centric Identity Management, Proc. of 23rd IFIP International Information Security Conference (SEC 2008), Milan, Italy - September 8 - 10, 2008.

6. Wenjuan Xu, Mohamed Shehab, Gail-Joon Ahn, Visualization Based Policy Analysis: Case Study in SELinux, in Proceedings of ACM Symposium of Access Control, Models and Technologies (SACMAT'08), June 2008, Estes Park, CO, USA. [PDF]

7. Jing, Jin, Gail-Joon Ahn, Mohamed Shehab, Hongxin Hu, Towards Trust-aware Access Management for Ad-hoc Collaborations, IEEE International Workshop on Trusted Collaboration (TrustCol'07), White Plains, New York, November, 2007.

8. Mohamed Shehab, Elisa Bertino, Arif Ghafoor, Secure Collaboration in Mediator-Free Environments, in Proceedings of the 12th ACM Conference on Computer and Communications Security (CCS), Alexandria, Virginia, November 2005. Acceptance rate: 15% (38/249). [PDF]

9. Mohamed Shehab, Elisa Bertino, Arif Ghafoor, Efficient Hierarchical Key Generation and Key Diffusion for Sensor Networks, in Proceedings of the Second Annual IEEE Communications Society Conference on Sensor and AdHoc Communications and Networks (SECON), Santa Clara, California, USA, September 2005. [PDF]

10. Mohamed Shehab, Elisa Bertino and Arif Ghafoor, SERAT : SEcure Role mApping Technique for Decentralized Secure Interoperability, in Proceedings of the ACM Symposium on Access Control, Models and Technologies (SACMAT'05), Stockholm, Sweden, June 2005, Acceptance rate: 21% (19/90). [PDF]

1. Arjmand Samuel, Basit Shafiq, Ammar Masood, Haseeb Amjad, Rafae Bhatti, Mohamed Shehab, and Arif Ghafoor, Secure Collaboration among Distributed Systems and Services, Breakthroughs in Enterprise Computing, IDEAS Group, 2005.

1. Mohamed Shehab, Elisa Bertino and Arif Ghafoor, Secure Role Routing Protocol, 8th Annual Information Security Symposium, March 2007.

2. Mohamed Shehab, Ashish Kamra, Ozan Mindek, Secure Group Management in Peer-to-Peer, Work in Progress, 21st Annual Computer Security Applications Conference (ACSAC), Tuscan, Arizona, December 2005.

3. Mohamed Shehab, Elisa Bertino and Arif Ghafoor, SERAT : SEcure Role mApping Technique for Decentralized Secure Interoperability, five minutes poster at the 2005 IEEE Symposium on Security and Privacy, Oakland, California.

4. Mohamed Shehab, Elisa Bertino and Arif Ghafoor, Decentralized Secure Interoperability, Midwest DB Research Symposium, April 2005.

5. Mohamed Shehab, Elisa Bertino and Arif Ghafoor, SERAT : SEcure Role mApping Technique for Decentralized Secure Interoperability, 6th Annual Information Security Symposium, March 2005. [PDF]

1. Best Questioner Award, IBM Summer Seminars, IBM T.J.Watson Research Lab. Summer 2006.

2. Nominated for Microsoft Research Fellowship by ECE, Purdue University. 2006.

3. Research Poster Competition Award (3rd place), Sixth Annual Information Security Symposium, Center for Education and Research in Information Assurance and Security, Purdue University. March 2005.

4. CERIAS, Awarded Student Travel Grant (CCS’05, SACMAT’05). 2005.

5. Purdue Research Foundation (PRF) Summer Research Scholarship. Summer 2003.

6. Estus H. and Vashti L. Magoon Award for Excellence in Teaching, School of Electrical and Computer Engineering, Purdue University. 2002 - 2003.

7. Scholarship to Study Abroad at Wollongong University, Wollongong, Australia. Summer 1999

1. Cyber Security Professional Certification Training, titled "Security Challenges in Social Networks", January 2009.

2. "Security and Privacy", lecture at Privacy and Security: a Human-Computer Interaction Perspective (TIS 6010/8010), September 2007.

3. "Watermarking Relational Data", College of Computing and Informatics Graduate Seminar Series 2007, UNC-Charlotte, August 2007.

4. "Distributed Secure Collaboration", Florida International University, Miami, Florida, April 2007.

5. "Distributed Secure Collaboration", Concordia University, Montreal, Canada, April 2007.

6. "Distributed Secure Collaboration", University of Michigan in Detroit, Detroit, Michigan, March 2007.

7. "Distributed Secure Collaboration", Aspera Systems, Berkeley, California, March 2007.

8. "Distributed Secure Collaboration", University of North Carolina at Charlotte, Charlotte, North Carolina, March 2007.

9. "Distributed Secure Collaboration", UNC Charlotte, Charlotte, North Carolina, March 2007.

10. "Distributed Secure Collaboration", Intel, Portlant, Oregon, February 2007.

11. "Watermarking Relational Databases", lecture at CS526 Computer Security class, Purdue University, October 2006.

12. "Security in Distributed Services", presented at IBM T. J.Watson Research Lab. Aug. 2006

13. "Secure Collaboration" presented at IBM T. J. Watson Research Lab. May 2006

14. "Watermarking Relational Databases", lecture at CS526 Computer Security class, Purdue University, November 2005.

15. "Hippocratic Databases", Database Reading Group, Purdue University, May 2005.

16. "Watermarking Relational Databases", CERIAS Security Seminar, Purdue University, April 2005.

17. "Watermarking Relational Databases", Security Reading Group, Purdue University, February 2005.

18. "Hierarchical Key Generation and Diffusion for Sensor Networks", lecture at CS590S Database Security class, Purdue University, October 2004.