Trust and Security in Electronic Payments: What We Have and Need to Know? - Theodosios Tsiakis; George Stephanides; George Pekos (WEC (5), 2005)

The concept of security and trust in electronic payments. - Theodosios Tsiakis; George Stephanides (Comput. Secur., 2005)

The economic approach of information security. - Theodosios Tsiakis; George Stephanides (Comput. Secur., 2005)

Η εφαρμοσμένη κρυπτογραφία ως τυπική μέθοδος και μοντέλο για την ασφάλεια των ηλεκτρονικών συναλλαγών - Theodosios Tsiakis (2005)

Contribution of corporate social responsibility to information security management. - Theodosios Tsiakis (Inf. Secur. Tech. Rep., 2009)

Information Technology Security Governance Approach Comparison in E-banking. - Theodosios Tsiakis; Aristeidis Chatzipoulidis; Theodoros Kargidis; Athanasios Belidis (FGIT-SecTech, 2011)

Economic Evaluation of Interactive Audio Media for Securing Internet Services. - Theodosios Tsiakis; Panagiotis Katsaros; Dimitris Gritzalis (ICGS3/e-Democracy, 2011)

Economic assessment of externalities for interactive audio media anti-SPIT protection of internet services. - Theodosios Tsiakis; Panagiotis Katsaros; Dimitris Gritzalis (Int. J. Electron. Secur. Digit. Forensics, 2012)