This two-volume proceedings set LNCS 15056-15057 constitutes the proceedings of 26th International Conference on Information and Communications Security, ICICS 2024, in Mytilene, Greece, during August 26-28, 2024.The 32 full papers presented in this book were carefully selected and reviewed from 123 submissions.

.- Crypto & Applied crypto. .- TorHunter: A Lightweight Method for Efficient Identification of Obfuscated Tor Traffic through Unsupervised Pre-training. .- Two-round Post-quantum Private Equality Test and OT from RLWE-encryption. .- Point Intervention: Improving ACVP Test Vector Generation Through Human Assisted Fuzzing. .- FAMC: Fair and Publicly Auditable Multi-Party Computation with Cheater Detection. .- Homomorphic encryption. .- X-Cipher: Achieving Data Resiliency in Homomorphic Ciphertexts. .- Amortized Functional Bootstrapping for Homomorphic Evaluation of Encrypted Functions. - Tightly Secure Linearly Homomorphic Signature Schemes for Subspace Under DL Assumption in AGM. .- Key agreement protocols and digital signature schemes. .- CoDPoC IP:A Configurable Data Protection Circuit to Support Multiple Key Agreement Scheme. .- Formal analysis of Julia Key Agreement Protocol. .- New Construction of Code-Based Signature Schemes. .- Identity-Based Signature from Lattices without Trapdoors. .- Defences. .- The Emperor is Now Clothed: A Secure Web Governance Framework for User Authentication Between Password Managers and Web Apps. .- HoneyLLM: A Large Language Model-Powered Medium-interaction Honeypot. .- TSR-jack: An In-Browser Crypto-jacking Detection Method Based on Time Series Representation Learning. .- Don’t Abandon the Primary Key: A High-Synchronization and Robust Virtual Primary Key Scheme for Watermarking Relational Databases. .- FirmPorter: Porting RTOSes at the Binary Level for Firmware Re-hosting.

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