Internet. With Cloud Computing

Abstract Cloud Computing provides a framework for supporting end users easily attaching powerful services and applications through Internet. To provide secure and reliable services in cloud computing environment is an important issue. To counter a variety of attacks, especially large-scale coordinated attacks, a frame-work of Collaborative Intrusion Detection System (IDS) is proposed. The pro-posed system could reduce the impact of these kinds of attacks through providing timely notifications about new intrusions to Cloud users ’ systems. To provide such ability, IDSs in the cloud computing regions both correlate alerts from multiple elementary detectors and exchange knowledge of interconnected Clouds with each other. In the system, another advantage is isolation between detectors with com-promised hosts to protect these detectors from evasions or infections