Information Systems Security 15th International Conference, ICISS 2019, Hyderabad, India, December 16-20, 2019, Proceedings - Garg, Deepak; Garg, Deepak; Kumar, N. V. Narendra; Kumar, N. V. Narendra; Shyamasundar, Rudrapatna K.; Shyamasundar, Rudrapatna K. (Springer International Publishing : Imprint: Springer, 2019)