This book constitutes the refereed proceedingsof the 14th International Conference on Cryptology and Network Security, CANS2015, held in Marrakesh, Morocco, in December 2015. The 12 full papers presented together with 6short papers were carefully reviewed and selected from numerous submissions. Thepapers cover topics of interest such as internet of things and privacy;password-based authentication; attacks and malicious code; security modelingand verification; secure multi-party computation; and cryptography and VPNs.