Welcome to my web page!

I am currently a Research Staff Member at the IBM’s Almaden Research Center, where I work for the Platform and Mobile Research group in San Jose, CA.

I recently received my Ph.D. from the School of Information Sciences at the University of Pittsburgh (2016). My Ph.D. adviser is Dr. James B. D. Joshi. During my Ph.D. studies, I worked as a research assistant at the Laboratory for Education and Research on Security Assured Information Systems (Lersais).

I have a Master's Degree in Computer Sciences (Cum Laude) from Universidad de los Andes in Bogota, Colombia. Prior to that, I earned two undergraduate degrees in Computer Science and Industrial Engineering at the same university.

Research Interests

My research interests lie at the intersection of information security, privacy and trust. Some of the topics that I have explored are:

  • Secure interoperability in distributed systems such as cloud environments
  • Privacy for pervasive systems
  • Risk management
  • Mitigation of insider threats
  • Secure storage systems
  • Privacy on online social networks

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