WEST: Wormhole-Enhanced State Transfer
Rogério Correia, Paulo Sousa
In Proceedings of the DSN 2009 Workshop on Proactive Failure Avoidance, Recovery and Maintenance (PFARM), Estoril, Portugal, June 2009.

Enhancing Fault / Intrusion Tolerance through Design and Configuration Diversity
Alysson N. Bessani, Alessandro Daidone, Ilir Gashi, Rafael R. Obelheiro, Paulo Sousa, Vladimir Stankovic
In Proceedings of the 3rd Workshop on Recent Advances on Intrusion-Tolerant Systems (WRAITS 2009), Estoril, Portugal, June 2009.

BFT Services Programming with a Dependable Tuple Space
François Aubry, Alysson Bessani, Paulo Sousa
In Proceedings of the 39th IEEE International Conference on Dependable Systems and Networks (DSN 2009) – Fast Abstract, Estoril, Portugal, June 2009.

Transparent Byzantine Fault-Tolerant Directory Service using COTS components
Francisco Vieira, Paulo Sousa, Alysson Bessani
In Proceedings of the 39th IEEE International Conference on Dependable Systems and Networks (DSN 2009) – Fast Abstract, Estoril, Portugal, June 2009.

Designing Modular and Redundant Cyber Architectures for Process Control: Lessons learned
Paulo Veríssimo, Alysson Neves Bessani, Miguel Correia, Nuno Ferreira Neves, Paulo Sousa
Proceedings of the 42nd Hawaii International Conference for the Systems Sciences (HICSS-42), Waikoloa, Hawaii, January 2009. (best paper nomination)

FOREVER: Fault/intrusiOn REmoVal through Evolution & Recovery
Alysson Neves Bessani, Hans P. Reiser, Paulo Sousa, Ilir Gashi, Vladimir Stankovic, Tobias Distler, Rüdiger Kapitza, Alessandro Daidone, Rafael R. Obelheiro
In Middleware (Companion),  Leuven, Belgium, pages 99-101, December 2008.

IEEE Security & Privacy Nov/Dec 2008

The CRUTIAL Way of Critical Infrastructure Protection
Alysson Neves Bessani, Paulo Sousa, Miguel Correia, Nuno Ferreira Neves, Paulo Veríssimo
IEEE Security and Privacy, vol. 6, no. 6, pp. 44-51, Nov/Dec 2008.

On the Effects of Diversity on Intrusion Tolerance
Alysson Neves Bessani, Rafael Obelheiro, Paulo Sousa, Ilir Gashi
Submitted to publication.
Available as Technical Report DI/FCUL TR-08-30.

Towards Intrusion-Tolerant Process Control Software
Hugo Ortiz, Paulo Sousa, Paulo Veríssimo
In Proceedings of the 4th Portuguese National Conference of Informatics Security in Organizations (SINO 2008 ), Coimbra, Portugal, November 2008.

Segurança e Disponibilidade através de Resiliência Proactiva (in portuguese)
Paulo Sousa
Prémio Científico IBM 2007 | IBM 2007 Scientific Award
Available as Technical Report DI/FCUL TR-08-15.
(media coverage)