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One of the major advantage of cloud computing is that data can be shared among various organizations. However, this advantage itself have a risk to data. In order to negate potential risk to the data, it is necessary to protect data. Encryption is a hugely important tool when it comes to protecting data. This paper propose a new era of cryptographic dual layer encryption to make the data store in cloud more secure and trustworthy. There are readily available many multiple encryption techniques that are available in present time but unable to provide sufficient security. This paper aim to suggest the new encryption technique named as dual encryption. It is based on popular encryption algorithm AES which is symmetric-key algorithm. We are going to propose an additional layer of rabbit algorithm around encrypted data which will help to provide more security against Bruteforce and other type of attacks. Therefore, if an intruder detects a single key of cryptosystem even then it is not possible to decrypt the original message. This paper aims to suggest a perspective which is a double layer encryption method to ensure security in cloud. In this proposed double layers encryption schemes, the data will be extremely secured while protecting and sharing in cloud environment. This scheme not only makes full use of the great processing skill of cloud computing but also can efficiently ensure cloud data privacy and security. I.

Cloud based services and always increasing popularity of related services is not new to anyone but neither are any security related threats that exits with them. There are many countermeasures which are introduced with the purpose of minimizing the threats; it is still found that security breaches are always imminent. It is observed that emphasis has been extensively given to the security of Cloud services; the outcome is still not satisfying. In this paper we present advanced Identity & Access Management Mechanisms for Cloud Computing that generates high level of security for Clients as well as an encryption technique to further improvises the existing structure its clients.

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