This book constitutes the refereed proceedings of the 8th International Symposium on Recent Advances in Intrusion Detection, RAID 2005, held in Seattle, WA, USA in September 2005.

The 15 revised full papers presented together with 2 practical experience reports were carefully reviewed and selected from 83 submissions. The papers are organized in topical sections on worm detection and containment, anomaly detection, intrusion prevention and response, intrusion detection based on system calls and network-based, as well as intrusion detection in mobile and wireless networks.