Simple authentication process for cloud user

The biggest challenge in cloud computing is the security and privacy problems caused by its multi-tenancy nature and the outsourcing of infrastructure, sensitive data and critical applications. Enterprises are rapidly adopting cloud services for their businesses, measures need to be developed so that organizations can be assured of security in their businesses and can choose a suitable vendor for their computing needs. Various malicious activities from illegal users have threatened this technology such as data misuse, inflexible access control and limited monitoring. The occurrence of these threats may result into damaging or illegal access of critical and confidential data of users. In this paper we present summary of security threats/attacks in cloud computing and propose relevant solution directives to strengthen security in the Cloud environment. We propose Smart card base Single Sign- on (SSO) solution for organizations to strengthen the security.