This two-volume set LNICST 304-305 constitutes the post-conference proceedings of the 15thInternational Conference on Security and Privacy in Communication Networks, SecureComm 2019, held in Orlando, FL, USA, in October 2019. The 38 full and 18 short papers were carefully reviewed and selected from 149 submissions.

Trustless Framework for Iterative Double Auction based on Blockchain.- Towards a Multi-Chain Future of Proof-of-Space.- Secure Consistency Verification for Untrusted CloudStorage by Public Blockchains.- 4 An Enhanced Verifiable Inter-domain Routing Protocol based on Blockchain.- Edge-Assisted CNN Inference over Encrypted Data forInternet of Things.- POKs Based Secure and Energy-Efficient Access Control for Implantable Medical Devices.- USB-Watch: A Dynamic Hardware-Assisted USB ThreatDetection Framework.- Automated IoT Device Fingerprinting Through Encrypted Stream Classification.- Catching Malware.-DeepCG: Classifying Metamorphic Malware through Deep Learning of Call Graphs.- ChaffyScript: Vulnerability-Agnostic Defense of JavaScript Exploits via Memory Perturbation.-Obfusifier: Obfuscation-Resistant Android Malware Detection System.- Closing the Gap with APTs through Semantic Clusters and Automated CybergamesMachine Learning.- Stochastic ADMM Based Distributed Machine Learning with Differential Privacy.- Topology-Aware Hashing for Effective Control Flow GraphSimilarity Analysis.- Trojan Attack on Deep Generative Models in Autonomous Driving.- FuncNet: A Euclidean Embedding Approach forLightweight Cross-platform Binary Recognition Everything Traffic Security.- Towards Forward Secure Internet Traffic.- Traffic-based Automatic Detection of BrowserFingerprinting.- Measuring Tor Relay Popularity.- SoK: ATT&CK Techniques and Trends in Windows.- MalwareCommunicating Covertly.- Covert Channels in SDN: Leaking Out Information from Controllers to End Hosts.- Victim-Aware Adaptive Covert Channels.-Random Allocation Seed-DSSS Broadcast Communication against Jamming Attacks.-  Loss-tolerant Mechanism of Message Segmentation and Reconstruction in Multi-path Communication ofAnti-tracking Network.- Ticket Transparency: Accountable Single Sign-On with Privacy-Preserving Public Logs.-  Decentralized Privacy-Preserving Reputation Managementfor Mobile Crowdsensing.- Location Privacy Issues in the OpenSky Network Crowdsourcing Platform.- Privacy-Preserving Genomic Data Publishing viaDifferentially-Private Suffix Tree.- Deep Analytics.- TL;DR Hazard: A Comprehensive Study of Levelsquatting Scams.-Account Lockouts: Characterizing and Preventing Account Denial-of-Service Attacks.- Application Transiency: Towards a Fair Trade of Personal Information for Application Services.