About Me
I am an Assistant Professor at the Department of Computer Science, Faculty of Sciences, University of Lisbon. My main interests are in distributed systems security and privacy, with special focus on applied cryptography, decentralised systems, and privacy-preserving computations.
Research areas:
Security, Privacy, Distributed Systems
Selected Publications (see all)
All Publications (see selected)
Ongoing Projects
- 2025-2026
APOSTLE - new Approaches for Secure Distributed Data Processing and Access
Role: Coordinator Funding: 49k € Type: National FCT/MCTES - 2023-2026
SMaRtChain - Fast and Energy-efficient Distributed Consensus for Blockchains
Role: Co-Coordinator Funding: 132k € Type: National FCT/MCTES
Past Projects
- 2023-2026
Myriarch - FraMewoRk for a multI-ARCHitecture Internet
Role: Researcher Funding: 255k € Type: National FCT/MCTES - 2022-2023
DaNon - Supervised Deanonymization of Dark Web Traffic for Cybercrime Investigation
Role: Researcher & Local Coordinator Funding: 69k € Type: CMU Portugal Exploratory Project - 2018-2022
HADES - HArdware-backed trusted and scalable DEcentralized Systems
Role: Coordinator Funding: 239k € Type: National FCT/MCTES - 2018-2022
SAMOA - Secure and Scalable Platform for Massive-scale Mobile Applications
Role: Task Leader Funding: 234k € Type: National FCT/MCTES - 2017-2019
LightKone - Lightweight Computations on the Edge
Role: Researcher Funding: 3.5M € Type: EU H2020
Awards
- .PT Honourable Mention @ 2025 Arquivo.pt Awards
For the work: ArchiveChain - Archiving the past, empowering the future - 2025 LASIGE Best Outreach Initiative Award
For the work: ArchiveChain - Archiving the past, empowering the future - 2025 LASIGE Distinguished Publication Award
For the work: SoK: Self-Generated Nudes over Private Chats: How Can Technology Contribute to a Safer Sexting? - 2024 LASIGE Distinguished Publication Award
For the work: Flow Correlation Attacks on Tor Onion Service Sessions with Sliding Subset Sum - 2022 LASIGE Distinguished Publication Award
For the work: COBRA: Dynamic Proactive Secret Sharing for Confidential BFT Services - 2020 LASIGE Distinguished Publication Award
For the work: Boolean Searchable Symmetric Encryption with Filters on Trusted Hardware
Invited Talks
- Searching Encrypted Data in the Cloud
EU COST Action IC1402 Workshop on Security and Privacy. Siracusa, Italy. September 2018. - Searching Encrypted Data in the Cloud: the Quest for Practical Security
73rd Workshop of IFIP Working Group 10.4 on Dependable Computing and Fault Tolerance. Goa, India. January 2018.
Service
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Students
Current |
| Joel Samper (PhD - FC/UL) |
| Rafael Correia (MSc - FC/UL - Co-Adviser Alex Davidson) |
Teaching
PhD in Computer Science |
| Future Internet (2024) |
MSc in Computer Science & MSc in Information Security |
| Applied Security (2024), Data Privacy and Security (2022-25), Middleware Technologies (2021), Intrusion Detection and Tolerance (2021) |
BSc in Computer Science |
| Distributed Systems (2017,2019-22), Computer Networks (2019-25), Computer Systems Architecture (2020-23), Security and Reliability (2020), Introduction to Programming (2008,2011-14), Object-Oriented Programming (2012,2016) |