Data Security In Cloud Storage
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Data Security In Cloud Storage
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Author : Yuan Zhang
language : en
Publisher: Springer Nature
Release Date : 2020-06-01
Data Security In Cloud Storage written by Yuan Zhang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-01 with Computers categories.
This book provides a comprehensive overview of data security in cloud storage, ranging from basic paradigms and principles, to typical security issues and practical security solutions. It also illustrates how malicious attackers benefit from the compromised security of outsourced data in cloud storage and how attacks work in real situations, together with the countermeasures used to ensure the security of outsourced data. Furthermore, the book introduces a number of emerging technologies that hold considerable potential – for example, blockchain, trusted execution environment, and indistinguishability obfuscation – and outlines open issues and future research directions in cloud storage security. The topics addressed are important for the academic community, but are also crucial for industry, since cloud storage has become a fundamental component in many applications. The book offers a general introduction for interested readers with a basic modern cryptography background, and a reference guide for researchers and practitioners in the fields of data security and cloud storage. It will also help developers and engineers understand why some current systems are insecure and inefficient, and move them to design and develop improved systems.
Data Security In Cloud Storage Services
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Author : Mai Mansour Dahshan
language : en
Publisher:
Release Date : 2014
Data Security In Cloud Storage Services written by Mai Mansour Dahshan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Cloud computing categories.
Abstract: Cloud Computing is considered to be the next-generation architecture for ICT where it moves the application software and databases to the centralized large data centers. It aims to offer elastic IT services where clients can benefit from significant cost savings of the pay-per-use model and can easily scale up or down, and do not have to make large investments in new hardware. However, the management of the data and services in this cloud model is under the control of the provider. Consequently, the cloud clients have less control over their outsourced data and they have to trust cloud service provider to protect their data and infrastructure from both external and internal attacks. This is especially true with cloud storage services. Nowadays, users rely on cloud storage as it offers cheap and unlimited data storage that is available for use by multiple devices (e.g. smart phones, tablets, notebooks, etc.). Besides famous cloud storage providers, such as Amazon, Google, and Microsoft, more and more third-party cloud storage service providers are emerging. These services are dedicated to offering more accessible and user friendly storage services to cloud customers. Examples of these services include Dropbox, Box.net, Sparkleshare, UbuntuOne or JungleDisk. These cloud storage services deliver a very simple interface on top of the cloud storage provided by storage service providers. File and folder synchronization between different machines, sharing files and folders with other users, file versioning as well as automated backups are the key functionalities of these emerging cloud storage services. Cloud storage services have changed the way users manage and interact with data outsourced to public providers. With these services, multiple subscribers can collaboratively work and share data without concerns about their data consistency, availability and reliability. Although these cloud storage services offer attractive features, many customers have not adopted these services. Since data stored in these services is under the control of service providers resulting in confidentiality and security concerns and risks. Therefore, using cloud storage services for storing valuable data depends mainly on whether the service provider can offer sufficient security and assurance to meet client requirements. From the way most cloud storage services are constructed, we can notice that these storage services do not provide users with sufficient levels of security leading to an inherent risk on users' data from external and internal attacks. These attacks take the form of: data exposure (lack of data confidentiality); data tampering (lack of data integrity); and denial of data (lack of data availability) by third parties on the cloud or by the cloud provider himself. Therefore, the cloud storage services should ensure the data confidentiality in the following state: data in motion (while transmitting over networks), data at rest (when stored at provider's disks). To address the above concerns, confidentiality and access controllability of outsourced data with strong cryptographic guarantee should be maintained. To ensure data confidentiality in public cloud storage services, data should be encrypted data before it is outsourced to these services. Although, users can rely on client side cloud storage services or software encryption tools for encrypting user's data; however, many of these services fail to achieve data confidentiality. Box, for example, does not encrypt user files via SSL and within Box servers. Client side cloud storage services can intentionally/unintentionally disclose user decryption keys to its provider. In addition, some cloud storage services support convergent encryption for encrypting users' data exposing it to confirmation of a file attack. On the other hand, software encryption tools use full-disk encryption (FDE) which is not feasible for cloud-based file sharing services, because it encrypts the data as virtual hard disks. Although encryption can ensure data confidentiality; however, it fails to achieve fine-grained access control over outsourced data. Since, public cloud storage services are managed by un-trusted cloud service provider, secure and efficient fine-grained access control cannot be realized through these services as these policies are managed by storage services that have full control over the sharing process. Therefore, there is not any guarantee that they will provide good means for efficient and secure sharing and they can also deduce confidential information about the outsourced data and users' personal information. In this work, we would like to improve the currently employed security measures for securing data in cloud store services. To achieve better data confidentiality for data stored in the cloud without relying on cloud service providers (CSPs) or putting any burden on users, in this thesis, we designed a secure cloud storage system framework that simultaneously achieves data confidentiality, fine-grained access control on encrypted data and scalable user revocation. This framework is built on a third part trusted (TTP) service that can be employed either locally on users' machine or premises, or remotely on top of cloud storage services. This service shall encrypts users data before uploading it to the cloud and decrypts it after downloading from the cloud; therefore, it remove the burden of storing, managing and maintaining encryption/decryption keys from data owner's. In addition, this service only retains user's secret key(s) not data. Moreover, to ensure high security for these keys, it stores them on hardware device. Furthermore, this service combines multi-authority ciphertext policy attribute-based encryption (CP-ABE) and attribute-based Signature (ABS) for achieving many-read-many-write fine-grained data access control on storage services. Moreover, it efficiently revokes users' privileges without relying on the data owner for re-encrypting massive amounts of data and re-distributing the new keys to the authorized users. It removes the heavy computation of re-encryption from users and delegates this task to the cloud service provider (CSP) proxy servers. These proxy servers achieve flexible and efficient re-encryption without revealing underlying data to the cloud. In our designed architecture, we addressed the problem of ensuring data confidentiality against cloud and against accesses beyond authorized rights. To resolve these issues, we designed a trusted third party (TTP) service that is in charge of storing data in an encrypted format in the cloud. To improve the efficiency of the designed architecture, the service allows the users to choose the level of severity of the data and according to this level different encryption algorithms are employed. To achieve many-read-many-write fine grained access control, we merge two algorithms (multi-authority ciphertext policy attribute-based encryption (MA- CP-ABE) and attribute-based Signature (ABS)). Moreover, we support two levels of revocation: user and attribute revocation so that we can comply with the collaborative environment. Last but not least, we validate the effectiveness of our design by carrying out a detailed security analysis. This analysis shall prove the correctness of our design in terms of data confidentiality each stage of user interaction with the cloud.
Security For Cloud Storage Systems
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Author : Kan Yang
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-07-01
Security For Cloud Storage Systems written by Kan Yang and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-01 with Computers categories.
Cloud storage is an important service of cloud computing, which offers service for data owners to host their data in the cloud. This new paradigm of data hosting and data access services introduces two major security concerns. The first is the protection of data integrity. Data owners may not fully trust the cloud server and worry that data stored in the cloud could be corrupted or even removed. The second is data access control. Data owners may worry that some dishonest servers provide data access to users that are not permitted for profit gain and thus they can no longer rely on the servers for access control. To protect the data integrity in the cloud, an efficient and secure dynamic auditing protocol is introduced, which can support dynamic auditing and batch auditing. To ensure the data security in the cloud, two efficient and secure data access control schemes are introduced in this brief: ABAC for Single-authority Systems and DAC-MACS for Multi-authority Systems. While Ciphertext-Policy Attribute-based Encryption (CP-ABE) is a promising technique for access control of encrypted data, the existing schemes cannot be directly applied to data access control for cloud storage systems because of the attribute revocation problem. To solve the attribute revocation problem, new Revocable CP-ABE methods are proposed in both ABAC and DAC-MACS.
Security And Data Storage Aspect In Cloud Computing
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Author : Prachi S. Deshpande
language : en
Publisher: Springer
Release Date : 2019-02-09
Security And Data Storage Aspect In Cloud Computing written by Prachi S. Deshpande and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-02-09 with Technology & Engineering categories.
This book analyses the various security threats in cloud computing. A host-based IDS (HIDS) using signature verification is developed and implemented for the concerned security issues. Further, owing to the vulnerability of distributed denial of service (DDoS) attacks in cloud computing, a network based IDS (NIDS) is developed and implemented against such attacks. The performance of these IDS is verified in the Cloud scenario as well against the standard data set. Finally, a simple data storage and security model is developed and implemented for the Cloud computing scenario. The contents of this book will be of interest to researchers and professionals alike.
Cloud Storage Security
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Author : Aaron Wheeler
language : en
Publisher: Elsevier
Release Date : 2015-07-06
Cloud Storage Security written by Aaron Wheeler and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-07-06 with Computers categories.
Cloud Storage Security: A Practical Guide introduces and discusses the risks associated with cloud-based data storage from a security and privacy perspective. Gain an in-depth understanding of the risks and benefits of cloud storage illustrated using a Use-Case methodology. The authors also provide a checklist that enables the user, as well as the enterprise practitioner to evaluate what security and privacy issues need to be considered when using the cloud to store personal and sensitive information. - Describes the history and the evolving nature of cloud storage and security - Explores the threats to privacy and security when using free social media applications that use cloud storage - Covers legal issues and laws that govern privacy, compliance, and legal responsibility for enterprise users - Provides guidelines and a security checklist for selecting a cloud-storage service provider - Includes case studies and best practices for securing data in the cloud - Discusses the future of cloud computing
Data Security In Cloud Computing
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Author : Vimal Kumar
language : en
Publisher: IET
Release Date : 2017-08-31
Data Security In Cloud Computing written by Vimal Kumar and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-31 with Computers categories.
Cloud Computing has already been embraced by many organizations and individuals due to its benefits of economy, reliability, scalability and guaranteed quality of service among others. But since the data is not stored, analysed or computed on site, this can open security, privacy, trust and compliance issues. This one-stop reference covers a wide range of issues on data security in Cloud Computing ranging from accountability, to data provenance, identity and risk management.
Privacy And Security For Cloud Computing
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Author : Siani Pearson
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-08-28
Privacy And Security For Cloud Computing written by Siani Pearson and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-28 with Computers categories.
This book analyzes the latest advances in privacy, security and risk technologies within cloud environments. With contributions from leading experts, the text presents both a solid overview of the field and novel, cutting-edge research. A Glossary is also included at the end of the book. Topics and features: considers the various forensic challenges for legal access to data in a cloud computing environment; discusses privacy impact assessments for the cloud, and examines the use of cloud audits to attenuate cloud security problems; reviews conceptual issues, basic requirements and practical suggestions for provisioning dynamically configured access control services in the cloud; proposes scoped invariants as a primitive for analyzing a cloud server for its integrity properties; investigates the applicability of existing controls for mitigating information security risks to cloud computing environments; describes risk management for cloud computing from an enterprise perspective.
The Quick Guide To Cloud Computing And Cyber Security
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Author : Marcia R.T. Pistorious
language : en
Publisher:
Release Date : 2015-11-02
The Quick Guide To Cloud Computing And Cyber Security written by Marcia R.T. Pistorious and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-11-02 with Computers categories.
*** Download this book for FREE *** This is a Quick Guide to Cloud Computing and Cyber Security - For Beginners. Cloud computing has appeared in many small forms and now it is emerging as a huge solution to the problem of the fast changing and increasingly cyber world in which we live and work. Table of Contents What is Cloud Computing? Types of Cloud Computing Cloud Computing Examples Cyber Security Cyber Security Dangers Physical Security Layers of Security Network Security Cloud Computing and Security Threats The Need for Policies The Future? Summary In this book, cloud computing and cyber security is described in a way that covers all sizes and implementations of businesses involved in using this method of computing. Also by Marcia: Silver & Gold Guide Top Tips: Learn How to Quickly Invest - Build your Wealth with Gold and Silver Bullion Money Quick Makeovers Top Tips: Money Management Guide
Cloud Security
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Author : Ronald L. Krutz
language : en
Publisher: John Wiley & Sons
Release Date : 2010-08-31
Cloud Security written by Ronald L. Krutz and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-08-31 with Computers categories.
Well-known security experts decipher the most challenging aspect of cloud computing-security Cloud computing allows for both large and small organizations to have the opportunity to use Internet-based services so that they can reduce start-up costs, lower capital expenditures, use services on a pay-as-you-use basis, access applications only as needed, and quickly reduce or increase capacities. However, these benefits are accompanied by a myriad of security issues, and this valuable book tackles the most common security challenges that cloud computing faces. The authors offer you years of unparalleled expertise and knowledge as they discuss the extremely challenging topics of data ownership, privacy protections, data mobility, quality of service and service levels, bandwidth costs, data protection, and support. As the most current and complete guide to helping you find your way through a maze of security minefields, this book is mandatory reading if you are involved in any aspect of cloud computing. Coverage Includes: Cloud Computing Fundamentals Cloud Computing Architecture Cloud Computing Software Security Fundamentals Cloud Computing Risks Issues Cloud Computing Security Challenges Cloud Computing Security Architecture Cloud Computing Life Cycle Issues Useful Next Steps and Approaches
Cybersecurity In Cloud Computing
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Author : Akula Achari
language : en
Publisher: Educohack Press
Release Date : 2025-01-23
Cybersecurity In Cloud Computing written by Akula Achari and has been published by Educohack Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-01-23 with Computers categories.
"Cybersecurity in Cloud Computing" delves into the security challenges and solutions in the rapidly evolving world of cloud technology. We explore key concepts such as data protection, threat detection, and risk management within cloud environments. The book highlights how cloud services can enhance scalability and flexibility, while also presenting new security risks that need to be addressed. Readers will gain insights into the latest cybersecurity practices, including encryption methods, identity management, and multi-factor authentication. We also discuss the importance of developing a comprehensive security policy to safeguard cloud infrastructure. Whether you are an IT professional or a business owner, this book equips you with the tools to secure your digital assets and maintain data integrity in the cloud.