This book constitutes the refereed proceedings of the Second International Conference on Security and Privacy, ISEA-ISAP 2018, held in Jaipur, India, in January 2019. The conference was originally planned to be held in 2018 which is why the acronym contains "e;2018"e;.The 21 revised full papers presented were carefully reviewed and selected from 87 submissions. The papers are organized in topical sections: authentication and access control, malware analysis, network security, privacy preservation, secure software systems and social network analytics.