This book constitutes the refereed proceedings of the 14th International Conference on Information Security Practice and Experience, ISPEC 2018, held in Tokyo, Japan, in September 2018.

The 39 papers presented in this volume were carefully reviewed and selected from 73 submissions. They were organized in topical sections named: system security; public key cryptography; searchable and functional encryption; post-quantum signature schemas; security protocols; network security; authentication; side-channel attacks; security for cyber-physical systems; security in mobile environment; secure computation and data privacy; and cryptographic protocols.