Regular Papers Regular Paper Submission: April 15, 2014 Regular Paper Authors Notification: June 16, 2014 Regular Paper Camera Ready and Registration: June 30, 2014 Scope:ICETE 2014 is a joint conference aimed at bringing together researchers, engineers and practitioners interested on information and communication technologies, including data communication networking, e-business, optical communication systems, security and cryptography, signal processing and multimedia applications, and wireless networks and information systems. These are the main knowledge areas that define the six component conferences, namely: DCNET, ICE-B, OPTICS, SECRYPT, SIGMAP, and WINSYS, which together form the ICETE joint conference.5th International Conference on Data Communication Networking– DCNET 2014PROGRAM CHAIRJose Luis Sevillano, Universidad de Sevilha, Spain 11th International Conference on E-Business– ICE-B 2014PROGRAM CHAIRMarten van Sinderen, University of Twente, Netherlands  5th International Conference on Optical Communications Systems– OPTICS 2014PROGRAM CHAIRPanagiotis Sarigiannidis, University of Western Macedonia, Greece  11th International Conference on Security and Cryptography– SECRYPT 2014PROGRAM CHAIRPierangela Samarati, Università degli Studi di Milano, Italy 11th International Conference on Signal Processing and Multimedia Applications– SIGMAP 2014PROGRAM CHAIREnrique Cabello, Universidad Rey Juan Carlos, Spain  11th International Conference on Wireless Information Networks and Systems– WINSYS 2014PROGRAM CO-CHAIRSPetros Nicopolitidis, Aristotle University, Greece Dimitrios D. Vergados, University of Piraeus, Greece