This book constitutes the refereed proceedings of the 5th International Symposium on Security in Computing and Communications, SSCC 2017, held in Manipal, India, in September 2017. The 21 revised full papers presented together with 13 short papers were carefully reviewed and selected from 84 submissions. The papers focus on topics such as cryptosystems, algorithms, primitives; security and privacy in networked systems; system and network security; steganography, visual cryptography, image forensics; applications security.