This book constitutes the refereed proceedings of the 17th EAI International Conference on Digital Forensics and Cyber Crime, ICDF2C 2026, Reykjavík, Iceland, September 8-10, 2026.

The 30 full papers included in this book were carefully reviewed and selected from 123 submissions. They are organized into the following topical sections: AI Vulnerabilities; Detecting and Analysing GenAI Output; AI-Enhanced Investigations; Critical Infrastructure Resilience; Cryptography and Steganography; Encrypted Traffic Analysis; Software Analysis and Forensics; Evidence Triage and Threat Detection Tools; Ensuring Trust; and Human Factors.