Cloud Security: A Comprehensive Guide to Secure Cloud Computing

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Cloud security: a comprehensive guide to secure cloud computing

Add to cart. Krutz , Paperback. Be the first to write a review About this product. About this product Product Information Product DescriptionWell-known security experts decipher the most challenging aspect of cloud computing-securityCloud 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.

Begins with an overview of the fundamentals of Cloud computing, and progresses to coverage of service delivery approaches, deployment models, software as a service, platform as a service, and security governance Tackles the difficult areas of data ownership, privacy protections, bandwidth costs, data protection, and more Examines Cloud computing risk management, compliance and legal responsibilities of remotely stored and maintained data, life cycle management, and disaster recovery planning from the perspective of the user and the Cloud provider Addresses handling of incidents and remediation, application security, encryption issues, storage, virtualization mechanisms and vulnerabilities, and access controlAs 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.

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Cloud Security A Comprehensive Guide To Secure Cloud Computing

Trending Price New. No ratings or reviews yet. Be the first to write a review. Best Selling in Nonfiction See all. Cloud computing security or, more simply, cloud security refers to a broad set of policies, technologies, applications, and controls utilized to protect virtualized IP, data, applications, services, and the associated infrastructure of cloud computing.

It is a sub-domain of computer security , network security , and, more broadly, information security. Cloud computing and storage provides users with capabilities to store and process their data in third-party data centers. When an organization elects to store data or host applications on the public cloud, it loses its ability to have physical access to the servers hosting its information.

Cloud computing security

As a result, potentially sensitive data is at risk from insider attacks. According to a recent Cloud Security Alliance report, insider attacks are the sixth biggest threat in cloud computing. Additionally, data centers must be frequently monitored for suspicious activity. In order to conserve resources, cut costs, and maintain efficiency, cloud service providers often store more than one customer's data on the same server.

As a result, there is a chance that one user's private data can be viewed by other users possibly even competitors.

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To handle such sensitive situations, cloud service providers should ensure proper data isolation and logical storage segregation. The extensive use of virtualization in implementing cloud infrastructure brings unique security concerns for customers or tenants of a public cloud service. This introduces an additional layer — virtualization — that itself must be properly configured, managed and secured.

While these concerns are largely theoretical, they do exist. Cloud security architecture is effective only if the correct defensive implementations are in place. An efficient cloud security architecture should recognize the issues that will arise with security management.

These controls are put in place to safeguard any weaknesses in the system and reduce the effect of an attack. While there are many types of controls behind a cloud security architecture, they can usually be found in one of the following categories: [8]. It is generally recommended that information security controls be selected and implemented according and in proportion to the risks, typically by assessing the threats, vulnerabilities and impacts.

Cloud security concerns can be grouped in various ways; Gartner named seven [9] while the Cloud Security Alliance identified twelve areas of concern. Scanning cloud from outside and inside using free or commercial products is very important because without a hardened environment your service is considered as a soft target.

Securing a Cloud Computing Architecture

Virtual servers should be hardened like a physical server against data leakage , malware, and exploited vulnerabilities. Scanning and penetration testing from inside or outside the cloud require to be authorized by the cloud provider. Since the cloud is a shared environment with other tenants following penetration testing rules of engagement step-by-step is a mandatory requirement. Violation of acceptable use policy which can lead to termination of the service. A number of security threats are associated with cloud data services: not only traditional security threats, such as network eavesdropping, illegal invasion, and denial of service attacks, but also specific cloud computing threats, such as side channel attacks, virtualization vulnerabilities, and abuse of cloud services.

The following security requirements limit the threats. Data confidentiality is the property that data contents are not made available or disclosed to illegal users. Outsourced data is stored in a cloud and out of the owners' direct control. Only authorized users can access the sensitive data while others, including CSPs, should not gain any information of the data. Meanwhile, data owners expect to fully utilize cloud data services, e.

Access controllability means that a data owner can perform the selective restriction of access to their data outsourced to the cloud. Legal users can be authorized by the owner to access the data, while others can not access it without permissions. Further, it is desirable to enforce fine-grained access control to the outsourced data, i. The access authorization must be controlled only by the owner in untrusted cloud environments.

Data integrity demands maintaining and assuring the accuracy and completeness of data. A data owner always expects that her or his data in a cloud can be stored correctly and trustworthily.

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It means that the data should not be illegally tampered, improperly modified, deliberately deleted, or maliciously fabricated. If any undesirable operations corrupt or delete the data, the owner should be able to detect the corruption or loss. Further, when a portion of the outsourced data is corrupted or lost, it can still be retrieved by the data users.

Some advanced encryption algorithms which have been applied into cloud computing increase the protection of privacy. In a practice called crypto-shredding , the keys can simply be deleted when there is no more use of the data. Attribute-based encryption is a type of public-key encryption in which the secret key of a user and the ciphertext are dependent upon attributes e.