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Diogo Barradas

About

I am a 3rd year doctoral student of Information Systems and Computer Engineering at Instituto Superior Técnico (IST) - Universidade de Lisboa, being kindly co-advised by Prof. Luís Rodrigues and Prof. Nuno Santos. I conduct my research at the Distributed Systems Group at INESC-ID Lisboa.

Research Interests

My research is focused in network security and privacy, with particular emphasis on statistical traffic analysis and Internet censorship circumvention. I take additional interest in anonymous communication over the Internet and digital forensics.

Publications

Articles in Proceedings

  • Identificação de Canais Encobertos no Skype usando Esboços em SDNs. (INForum 2019)
    André Madeira, Diogo Barradas, Nuno Santos, Luís Rodrigues.
    Best paper award
  • Forensic Analysis of Communication Records of Messaging Applications from Physical Memory (Computers & Security, Elsevier, 2018) [science_direct]
    Diogo Barradas, Tiago Brito, David Duarte, Nuno Santos, Luís Rodrigues.
  • Effective Detection of Multimedia Protocol Tunneling using Machine Learning (USENIX Security 2018) [pdf]
    Diogo Barradas, Nuno Santos, Luís Rodrigues.
  • Assessing the Feasibility of Machine Learning to Detect Network Covert Channels (EuroDW 2018) [pdf]
    Diogo Barradas.
  • DeltaShaper: Enabling Unobservable Censorship-resistant TCP Tunneling over Videoconferencing Streams (PETS 2017) [pdf] [website]
    Diogo Barradas, Nuno Santos, Luís Rodrigues.
  • Forensic Analysis of Communication Records of Web-based Messaging Applications from Physical Memory (SECRYPT 2017) [pdf] [scitepress]
    Diogo Barradas, Tiago Brito, David Duarte, Nuno Santos, Luís Rodrigues.
  • Síntese de Vídeo para Evasão de Censura na Internet (INForum 2016)
    Diogo Barradas, Nuno Santos, Luís Rodrigues.

Thesis

  • Unobservable Covert Streaming for Internet Censorship Circumvention[pdf]
    Diogo Barradas (supervised by Professors Luís Rodrigues and Nuno Santos)
    MSc. Thesis, IST, Universidade de Lisboa, September 2016.

Additional Experience

  • Teaching Assistant - Instituto Superior Técnico
    2018/19 Fall Semester - Forensics Cyber-Security
    2017/18 Fall Semester - Network and Computer Security
  • 2018 CRYPTACUS Training School
    I have attended the Training School on Cryptanalysis of Ubiquitous Computing Systems. The program has focused the assessment of theoretical and practical cryptographic mechanisms designed to ensure security and privacy.
  • 2017 Summer Internship in Advanced Computing Research at the University of Texas at Austin
    I have studied the application of machine learning techniques to the problem of gesture recognition. My internship was supervised by Prof. Lili Qiu.

Contacts

diogo.barradas@tecnico.ulisboa.pt

INESC-ID Lisboa
Rua Alves Redol Nº 9
Room 501
1000-029, Lisboa, Portugal