He holds the M.Sc. degrees of Computer Science and Business Management. In December, 2006 he earned a Ph.D. in Computer Science, specialisation - Computer Security. Between 2004 and 2008 he worked in the European Commission Joint Research Centre, in the teams dealing with information security and the security of critical networked infrastructures. After his return to the university in 2008, from 2010 to 2012 he was seconded to the European Network and Information Security Agency (ENISA), where among the others he was responsible for coordinating the studies related to the security of industrial control systems and smart grids. His professional interests focus on the security of information systems, information security of critical infrastructures, and the issues relevant to information security management.