This book constitutes the refereed proceedings of the Second International Symposium on Cyber Security Cryptography and Machine Learning, CSCML 2018, held in Beer-Sheva, Israel, in June 2018.The 16 full and 6 short papers presented in this volume were carefully reviewed and selected from 44 submissions.

Invited Paper - Optical Cryptography for Cyber Secured and Stealthy Fiber-Optic Communication Transmission.- Efficient Construction of the Kite Generator Revisited.- Using Noisy Binary Search for Differentially Private Anomaly Detection.- Distributed Web Mining of Ethereum.- An Information-Flow Control model for Online Social Networks based on user-attribute credibility and connection-strength factors. -Detecting and Coloring Anomalies in real cellular network using Principle Component Analysis.- Self-Stabilizing Byzantine Tolerant Replicated State Machine Based on Failure Detectors.- Brief Announcement: Providing End-to-End Secure Communication in Low-Power Wide Area Networks (LPWANs.- Privacy Via Maintaining Small Similitude Data for Big Data Statistical Representation.- Highway State Gating for Recurrent Highway Networks: Improving information flow through time.- Secured Data Gathering Protocol for IoT Networks.- Towards building active application defense systems.- Secure Non-Interactive User Re-Enrollment in Biometrics-based Identification and Authentication Systems.- Brief Announcement: Image authentication using Hyperspectral layers.- Brief Announcement: Graph-based and Probabilistic Discrete Models Used in Detection of Malicious Attacks.- Intercepting a Stealthy Network.- Privacy in E-Shopping Transactions: Exploring and Addressing the Trade-Offs.- Detection in the Dark - Exploiting XSS Vulnerability in C&C Panels as a New Technique to Detect Malwares.- A Planning Approach to Monitoring Computer Programs' Behavior.- Brief Announcement: Gradual Learning of Deep Recurrent Neural Network.- Brief Announcement: Adversarial Evasion of Western Electric Rules.- Brief Announcement: Deriving Context for Touch Events.

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