Research Interests

Information Systems Security
Security vs. Privacy
eDiscovery, digital forensics and Incident Response
Cryptography

Research Projects

SPHINX: Robust Internet Services (co-funded by General Secretariat for Research and Technology)
HellasHPC (funded by General Secretariat for Research and Technology)[main]
Space-Data Routers (FP-7 Project co-funded by European Commission)[info]
Space Internetworking Center (SPICE)(FP-7 Project co-funded by European Commission)[info]
Rising Pan‐European and International Awareness of Biometrics and Security Ethics (RISE) [main][Greek node]

Dissertations

Dissertation topics for 2012-2013 can be downloaded from here (in Greek).
Dissertation topics for 2011-2012 can be downloaded from here (in Greek).
Dissertation topics for 2010-2011 can be downloaded from here (in Greek).
Dissertation topics for 2009-2010 can be downloaded from here (in Greek).

Calculation of the Entropy of the Greek language

[Jan 2009] Yiannis Arapakis wrote this application in Delphi that can be used to approximate the entropy of Greek. Our classroom experiment consisting of 15 students gave an upper bound for entropy of 1.7 (seems pretty high!). Please feel free to email me your results.