Two Factor Access Control for Dynamic Group in the Cloud Environment

As cloud computing share resources over the network, security is the basic concern. Data owners store their data on external servers so data confidentiality, authentication, access control are some of the basic issue in cloud environment. To protect users privacy traditional method use for authentication username and password. But this security mechanism is not secure at all the proposed method i. e. identification of users are using an two factor authentication mechanism for cloud access gives better security than the traditional one. In this proposed methodology, an efficient access mechanism using capability list is introduced. . An important feature of cloud storage is data sharing. Sharing along with strong protection of data is the main aspect.