Application For Scalable Data Sharing Essay

A company allows its staffs in the same groupor department to store and share files in the cloud. By utilizing the cloud, the staffs can be completely released from the troublesome local data storage and maintenance.However, it also poses a significant risk to the confidentialityof those stored files. Specifically, the cloud serversmanaged by cloud providers are not fully trusted by userswhile the data files stored in the cloud may be sensitive andconfidential, such as business plans. To preserve dataprivacy, a basic solution is to encrypt data files, and thenupload the encrypted data into the cloud. Unfortunately,designing an efficient and secure data sharing scheme forgroups in the cloud is not an easy task due to the followingchallenging issues.First, identity privacy is one of the most significantobstacles for the wide

We would like to provide the benefits of cloud computing without any troubles to propel in the direction it is designed for. This is to be achieved by preventing the owner's data from all risks associated and providing a cloud model that is more secure and efficient. The proposed model shall overcome the security risks defined by the security functions over cloud computing, as follows in (Passent M. et al., 2015):

Data is a forever growing thing and is not looking to slow down anytime soon. With that be said, companies must be able to manage data for their day to day operations as well as for predicting future trend. Now there are many tools for managing data and extremely high cost for managing it as well. One of the costs for managing data is data security, but this paper will touch on that topic in, but not as much as other topics. Also, this paper will demonstrate various business cases to serve as testimonial for just how useful big data management it in to day society.

DATA SECURITY IN CLOUD COMPUTING Introduction: Cloud computing has prompted a movement in how individuals consider IT frameworks structural engineering. Numerous associations today are either executing cloud-based services, or assessing which cloud-based measures they will be portraying later on. As indicated by Gartner Inc. distributed computing is "no less compelling than e-business". This sprocess in building design from an undertaking normal server-based framework to a cloud-based framework will have related expenses of passage and dangers, yet it can bring about inconceivable advantages in reserve funds and in IT and business deftness.

Legal issues refer to the social implications of sharing data and making sure the data shared is lawful and follows the Acts, e.g. Privacy Act. Social implications refer to the impact on a society. Schools have to abide by the rules of the Privacy Act 1993. Privacy means that information is not publicly displayed. The Privacy Act was put in place to ensure that personal information is collected, used, disposed, stored and is accessible by the person whose information it is controllably. Information is the content shared. This law also was made to control how schools (or any organisation) give access to personal information, this information is confidential and only few people are allowed to see the contents of it. Organisations are a group of people with a particular purpose. It is against the law, covered by this act to share this information. Laws are a set of rules to control what happens. The Privacy Act has 12 privacy principles that the school must adhere to.

ABSTRACT: A Distributed computing is a rising figuring innovation. It allows clients; store their information, learning or data remotely. The reason for this paper is to secure access control plan for open mists. We display a "Security Preserving Two Layer Encryption Access control in Public Clouds", which gives more security and protection as contrast with the custom approaches. Current ways to deal with uphold access administration polices (ACPs) on outsourced information utilizing chose encryption oblige associations to deals with all keys and encryptions and transfer encoded information on the remote stockpiling. Such kind of methodologies brings about high correspondences and the reckoning expense to oversee keys and encryptions at whatever point client roll out improvements. To delegating so as to take care of this issue as a significant part of the Access Control authorization obligations as conceivable to the cloud while diminishing the data presentation hazard because of intriguing clients and Cloud.

From the viewpoint of data security, which has always been an important form of quality of service, Cloud computing surely poses new challenging security threats for number of reasons. Firstly, traditional cryptographic primitives for the purpose of data security protection cannot be straight accepted due to users loss control of data under cloud computing. Therefore, verification of correct data storage in the cloud must be attended without accurate knowledge of the whole data. Considering different kind of data for every user stored in the cloud and the requirement of long term continuous security of their data safety, the problem of checking correctness of data storage in the cloud becomes even more challenging.[1]

Abstract - Cloud Computing is huge computing, it is the internet based computing, where all users can remotely store their data into the cloud so as to enjoy the latest and high quality applications and services. In outsourcing data , users can be relieved from the burden of local maintenance and data storage .Thus, enabling public auditability for cloud data storage security is of difficult so that users can resort to an external audit party to check the integrity of outsourced data when needed. To securely introduce an effective. The following two fundamental requirements to securely introduce an effective third party auditor (TPA) .1) The third party auditing process should bring in no new vulnerabilities towards user data privacy. 2) TPA introduces no additional on-line burden to the cloud user. TPA should be able to efficiently audit the cloud data storage. 3) TPA should audit the data for checking the integrity of that data. In this we propose for privacy-preserving public auditing for cloud data storage.To enable the TPA to perform audits for multiple users simultaneously and efficiently.We also doing batch auditing for multiple users data.

Usage of remote servers via internet to store, manage and process data instead of using a personal computer is known as Cloud computing. It’s a set of Information Technology services with the ability to scale up or down their service requirements. Most of the cloud services are provided by a third party service provider. In cloud computing, organizations can utilize IT services without in advance investment. Despite its benefits obtained from the cloud computing, the organizations are slow in accepting it due to security issues and challenges. Security is one of the major problems which hinder the growth of cloud. It’s not wise to handing over the important data to another company; such that clients need to be vigilant in understanding the risks of data infringement in this new environment. This paper discusses a detailed analysis of the cloud computing security issues and challenges. (Ayoleke)

Cloud computing is regarded as one of the most rapidly developing technologies in the present world and giving superb solutions to the small and medium sized enterprises with remarkably low cost. The data of the entrepreneurs is stored in the cloud servers and accessed by the users of the company. But there is reasonable doubts are instigating the users of the cloud computing data availability, confidentiality and the security. Cloud Computing has become famous because of the low cost and customizable business needs to be provided with its three basic services IaaS, PaaS and SaaS. Many research works have been done to incorporate a strong security to prevent the possible threats in cloud computing. The securities incorporated in cloud computing for data security, Application security and transactional security. In developing the security the relative analysis has to be done, a suitable frame work has to be instigated and a novel approach has to be followed for the management of security in cloud computing. In establishing the security the architecture of cloud computing has to be taken care in relation with SAAS, PAAS and IAAS implementation

1 INTRODUCTION Public-key encryption is a powerful mechanism for ensuring the confidentiality of stored and transmitted data. The traditional encryption is regarded as a method to share data to some targeted person or device that the sender knows. This means the sender knows specifically which user he wants to share with. However, in many systems the message sender will want to share date with a group of people whose credentials or attributes accord to some access policy set by the sender.[8][9]A new vision of encryption[10]was presented, where the sender can express how he wants to share data in the encryption algorithm itself. The sender will give an attribute formula to describe the users who can decrypt this data.

Cloud computing has numerous advantages to businesses today. It enables scalability of services that are delivered over the internet when needed. User data is stored in remote servers that the users do not operate. This brings unprecedented convenience. Although it brings so many advantages and efficiencies, cloud computing results to fears arising from loss of data control. This becomes a hindrance to the wide adoption of the emerging technology. As a way of solving these problems, techniques have been developed to ensure that data held in the remote servers is secure and that it cannot be used to achieve malicious activities targeted against the owner of the data.

ABSTRACT: Cloud computing is a method of providing a set of shared computing resources that includes applications, computing, storage, networking, development, and deployment platforms as well as business processes. In cloud computing, data while transferring as well as storage, and get data back when it is needed there is no assurance about the security of that data stored and also it is not changed by the cloud or TPA. Therefore Security and control over data remain to play a significant role in plans for cloud computing initiatives. Existing research work earlier grant data integrity to be verified,but still there are different drawbacks, firstly basic and mostly needed authorization/authentication process is not present in between Cloud Service provider and TPA. Techniques like authentication and encryption are important, our system can provides those things for security issues. Second: in recent research POR protocol in which the verifier stores only a single cryptographic key, POR can only capable of detection of file corruption or loss, and not prevention. Maintaining the storages can be a tough task and second it requires high resource costs for the implementation. This paper, Propose a formal analysis method called full

[11] C. Wang, Q. Wang, K. Ren, and W. Lou. (2009). “Ensuring data storage security in cloud computing,” IACR Cryptology ePrint Archive, Tech.Rep. 2009/081. [Online]. Available: http://eprint.iacr.org/

Abstract-The amount of data being generated nowadays has increased tremendously. With these large volumes of data, there is a need for efficient storage and processing of data. The data generated from a variety of sources like Social networking sites, Emails, audio and video files, text files and other various files is unstructured. The traditional database cannot handle this complex and high volumes of data efficiently. The Hadoop framework provides an effective solution for storing large volumes of data and processing the data for analysis. This paper deals about the Traditional Databases, Big data, Data analysis and how effectively Hadoop stores these large volumes of data and processes data for analysis. Furthermore, this paper also focuses on the various technologies used in Hadoop for the purpose of storing the data and for processing the data.