Intrusion Detection/Prevention Systems in the Cloud

Contributed by Joseph Johann

With more and more organizations moving all or part of their infrastructures to the cloud it makes sense that they would also have many of the same security services in the cloud that protect their on premise data. These services could include standard firewalls, intrusion detection/prevention systems (IDPS), antivirus solutions, data loss prevention (DLP) systems, and web application firewalls just to name a few, The concentration of this paper will be to discuss in detail intrusion detection/ prevention systems operating in the cloud to protect customer data as well as the advantages and disadvantages of doing so. It will also discuss the challenges faced by organizations in implementing and managing this service. Finally the costs will be compared to determine whether putting this security service in the cloud is cost effective.

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