  Cloud computing, undoubtedly, has become the buzzword in the IT industry
today. Looking at the potential impact it has on numerous business applications
as well as in our everyday life, it can certainly be said that this disruptive
technology is here to stay. Many of the features that make cloud computing
attractive, have not just challenged the existing security system, but have
also revealed new security issues. This paper provides an insightful analysis
of the existing status on cloud computing security issues based on a detailed
survey carried by the author. It also makes an attempt to describe the security
challenges in Software as a Service (SaaS) model of cloud computing and also
endeavors to provide future security research directions.
