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J. Ullrich, T. Zseby, J. Fabini, E. Weippl:
"Network-Based Secret Communication in Clouds: A Survey";
IEEE Communications Surveys & Tutorials, 19 (2017), 2; S. 1112 - 1144.

The cloud concept promises computing as a utility. More and more functions are moved to cloud environments. But this transition comes at a cost: Security and privacy solutions have to be adapted to new challenges in cloud environments. We investigate secret communication possibilities - data transmission concealing its mere existence or some of its characteristics - in clouds. The ability to establish such secret communication provides a powerful instrument to adversaries and can be used to gather information for attack preparation, to conceal the coordination of malicious instances or to leak sensitive data.

The cloud concept promises computing as a utility. More and more functions are moved to cloud environments. But this transition comes at a cost: Security and privacy solutions have to be adapted to new challenges in cloud environments. We investigate secret communication possibilities - data transmission concealing its mere existence or some of its characteristics - in clouds. The ability to establish such secret communication provides a powerful instrument to adversaries and can be used to gather information for attack preparation, to conceal the coordination of malicious instances or to leak sensitive data.

Cloud computing, Security, Tutorials, Computational modeling, Servers, Software as a service, Virtual machining

http://dx.doi.org/10.1109/COMST.2017.2659646