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We are the Navigators, a research team on distributed systems, their architectures, their algorithms, in their several skins: fault tolerance, real-time, security, and combinations thereof.

We also pursue the quest for the right balance between science and technology. Some people say that Informatics (a.k.a. computer science and engineering) belongs to a new breed, of what are called techno-sciences. We believe that techno-scientists should accompany theoretical mastery with a deep knowledge of their environment — computer technology — as well as astro-physicists know the sky, or marine biologists know the sea.

We study new theories to explain distributed systems, and new algorithms to take advantage from them. But we also like to do proof-of-concept experiments about the theory we work on. We try that our papers and theses tell a good story as clearly as possible. We work hard for our demonstrations to be convincing and captivating. Because we believe science is made for others.

Our greatest riches are our culture, and our researchers and students. If you believe in the former, you can become one of the latter. Welcome!


  • (1/Sep/2016) A H2020 research project lead by the Navigators group has started. The project is called: DiSIEM - Diversity enhancements for SIEMs
  • (1/July/2016) We have initiated a new FCT research project. The project is called: IRCoC - Intelligent Resilience for Cloud-of-Clouds Services
  • (1/Jan/2016) We have started a collaboration project with colleagues from Brasil, which is supported by CAPES-FCT. The project is called: Resilient Supervision and Control in Smart Grids

Latest publications


[1] What: NavTalk, When: Wednesday 2017-Jun-28, 12pm-2pm, Where: room 6.3.38

Regivaldo Costa presents A Software-Defined Netwoking approach to enhance BGP security

[2] What: NavTalk, When: Wednesday 2017-Jun-14, 12pm-2pm, Where: room 6.3.38

Ibéria Medeiros presents Demonstrating a Tool for Injection Attack Prevention in MySQL
Fernando Ramos presents uPVN: User-centric Programmable Virtual Networks

[3] What: NavTalk, When: Wednesday 2017-May-31, 12pm-2pm, Where: room 6.3.38

Miguel Correia presents Detecting Malicious Hosts Using Traffic Flows
Sileshi Demesi Yalew presents Mobile Device Security with ARM TrustZone

[4] What: NavTalk, When: Friday 2017-May-19, 12pm-2pm, Where: room 6.3.38

João Silva presents Distributed implementation of evolutionary algorithms
Diogo Pinto presents (to be rescheduled)

[5] What: NavTalk, When: Wednesday, 2017-May-03, 12pm-2pm, Where: room 6.3.38

Rui Miguel presents P4: Programming Protocol-Independent Packet Processors (Bosshart et al., SIGCOMM'14)
Fabio Pereria presents Network Monitoring in a Secure and Efficient Way

[6] What: NavTalk, When: Wednesday, 2017-Apr-19, 12pm-2pm, Where: room 6.3.38

Bruno Nunes presents Live Migration of Networks
Pedro Alves presents Smarter Routing for a Smarter Grid

[7] What: NavTalk, When: Wednesday, 2017-Apr-05, 12pm-2pm, Where: room 6.3.38

Antonio Casimiro presents Enforcing Timeliness and Safety in Mission-Critical Systems
Eunice Branco presents Cyberthreat Discovery in Open Source Intelligence using Deep Learning Techniques

[8] What: NavTalk, When: Wednesday, 2017-Mar-08, 12pm-2pm, Where: room 6.3.38

Miguel Falé presents Protecting WAP from infinite recursion
Henrique Mendes presents Securing DLMS/COSEM implementations for use in the smart grid

[9] What: NavTalk, When: Wednesday, 2017-Mar-08, 12pm-2pm, Where: room 6.3.38

Adriano Serckumecka presents Collection and monitoring of security events to feed SIEMs
Eric Vial, Max Alaluna,
Fernando Ramos
present Demonstration of Sirius, a Multi-Cloud Network Virtualization Platform

[10] What: NavTalk, When: Wednesday, 2017-Feb-22, 12pm-2pm, Where: room 6.3.38

Nuno Neves presents Intrusion Tolerant Eclipse SCADA
Bruno Vavala presents Secure Tera-scale Data Crunching with a Small TCB

[11] What: NavTalk, When: Wednesday, 2017-Feb-08, 12pm-2pm, Where: room 6.3.38

Tiago Oliveira presents Exploring Key-Value Stores in Multi-Writer Byzantine-Resilient Register Emulations
Max Alanuna presents Sehen: Secure Yet Efficient Virtual Network Embedding in a Multi-Cloud Environment

[12] What: NavTalk, When: Wednesday, 2017-Jan-25, 12pm-2pm,
Where: (exceptionally) room 6.2.46

Altair Santin
(guest speaker)
presents Segurança para ambiente de Smart Grid

(Security for Smart Grid Environments)

João Sousa presents Practical experiences with a BFT middleware database

[13] What: NavTalk, When: Thursday, 2017-Jan-13, 12pm-2pm,
Where: (exceptionally) room 6.1.25

José Rufino presents The (Hidden) Potential of Non-Intrusive Runtime Verification
Inês Gouveia presents Enforcing Safety and Security Through Non-Intrusive Runtime Verification

Past Navtalk Events
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