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Cloud computing is significantly reshaping the computing industry built around core concepts such as virtualization, processing power, connectivity and elasticity to store and share IT resources via a broad network. It has emerged as the…

Cryptography and Security · Computer Science 2017-10-24 Obinna Ethelbert , Faraz Fatemi Moghaddam , Philipp Wieder , Ramin Yahyapour

With the growing cyber-security threats, ensuring the security of data in Cloud data centers is a challenging task. A prominent type of attack on Cloud data centers is data tampering attack that can jeopardize the confidentiality and the…

Cryptography and Security · Computer Science 2020-03-31 Muhamad Felemban , Anas Daghistani , Yahya Javeed , Jason Kobes , Arif Ghafoor

As cloud infrastructure evolves to support dynamic and distributed workflows, accelerated now by AI-driven processes, the outdated model of standing permissions has become a critical vulnerability. Based on the Cloud Security Alliance (CSA)…

Cryptography and Security · Computer Science 2025-10-13 Nico Bistolfi , Andreea Georgescu , Dave Hodson

Misconfiguration, excessive privilege, and fragmented controls remain major causes of cloud-infrastructure incidents. This paper proposes an open-source framework that contributes a cross-platform identity-resource graph for Kubernetes and…

Cryptography and Security · Computer Science 2026-04-29 Wanru Shao

This paper presents Droplet, a decentralized data access control service. Droplet enables data owners to securely and selectively share their encrypted data while guaranteeing data confidentiality in the presence of unauthorized parties and…

Cryptography and Security · Computer Science 2021-01-22 Hossein Shafagh , Lukas Burkhalter , Anwar Hithnawi , Sylvia Ratnasamy

The growth of cloud computing has revolutionized data processing and storage capacities to another levels of scalability and flexibility. But in the process, it has created a huge challenge of security, especially in terms of safeguarding…

Cryptography and Security · Computer Science 2025-11-07 Dhruv Deepak Agarwal , Aswani Kumar Cherukuri

Cooperative information systems typically involve various entities in a collaborative process within a distributed environment. Blockchain technology offers a mechanism for automating such processes, even when only partial trust exists…

Cryptography and Security · Computer Science 2024-05-08 Edoardo Marangone , Michele Spina , Claudio Di Ciccio , Ingo Weber

Outsourcing a relational database to the cloud offers several benefits, including scalability, availability, and cost-effectiveness. However, there are concerns about the confidentiality and security of the outsourced data. A general…

Cryptography and Security · Computer Science 2023-10-10 Johannes Koppenwallner , Erich Schikuta

This paper presents an architecture of a Personal Information Management System, in which individuals can define the access to their personal data by means of smart contracts. These smart contracts, running on the Ethereum blockchain,…

Cryptography and Security · Computer Science 2021-01-27 Mirko Zichichi , Stefano Ferretti , Gabriele D'Angelo , Víctor Rodríguez-Doncel

The rise of cloud computing has spurred a trend of transferring data storage and computational tasks to the cloud. To protect confidential information such as customer data and business details, it is essential to encrypt this sensitive…

Cryptography and Security · Computer Science 2024-04-18 Shyam Murthy , Santosh Kumar Upadhyaya , Srinivas Vivek

Access control models have been developed to control authorized access to sensitive resources. This control of access is important as there is now a need for collaborative resource sharing between multiple organizations over open…

Cryptography and Security · Computer Science 2021-08-20 M Ridwanur Rahman , Ahmad Salehi Shahraki , Carsten Rudolph

In order to determine the user's trust is a growing concern for ensuring privacy and security in a cloud computing environment. In cloud, user's data is stored in one or more remote server(s) which poses more security challenges for the…

Cryptography and Security · Computer Science 2011-08-23 Shantanu Pal , Sunirmal Khatua , Nabendu Chaki , Sugata Sanyal

Every organisation today wants to adopt cloud computing paradigm and leverage its various advantages. Today everyone is aware of its characteristics which have made it so popular and how it can help the organisations focus on their core…

Distributed, Parallel, and Cluster Computing · Computer Science 2013-07-26 Kumar Gunjan , R. K. Tiwari , G. Sahoo

We present sec-cs, a hash-table-like data structure for file contents on untrusted storage that is both secure and storage-efficient. We achieve authenticity and confidentiality with zero storage overhead using deterministic authenticated…

Cryptography and Security · Computer Science 2016-06-13 Dominik Leibenger , Christoph Sorge

In view of the security issues of the Internet of Things (IoT), considered better combining edge computing and blockchain with the IoT, integrating attribute-based encryption (ABE) and attribute-based access control (ABAC) models with…

Cryptography and Security · Computer Science 2021-11-18 Jie Zhang , Lingyun Yuan , Shanshan Xu

With increasing emphasis on transparency in digital governance, users expect more than silence when their access requests are denied by a system. However, authorization methods are notorious for their inability to provide any form of…

Cryptography and Security · Computer Science 2026-04-15 Shanampudi Pranaya Chowdary , Shamik Sural

This study concerns the security challenges that the people face in the usage and implementation of cloud computing. Despite its growth in the past few decades, this platform has experienced different challenges. They all arise from the…

Computers and Society · Computer Science 2016-10-12 Okal Christopher Otieno

Cloud storage services have become accessible and used by everyone. Nevertheless, stored data are dependable on the behavior of the cloud servers, and losses and damages often occur. One solution is to regularly audit the cloud servers in…

Cryptography and Security · Computer Science 2017-09-27 Clementine Gritti , Rongmao Chen , Willy Susilo , Thomas Plantard

Distributed system architectures such as cloud computing or the emergent architectures of the Internet Of Things, present significant challenges for security and privacy. Specifically, in a complex application there is a need to securely…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-11 Hussain Al-Aqrabi , Richard Hill

Recently, with the support of mobile cloud computing, a large number of health related data collected from various body sensor networks can be managed efficiently. However, to ensure data security and data privacy in cloud-integrated body…

Cryptography and Security · Computer Science 2018-11-20 Zhitao Guan , Tingting Yang , Xiaojiang Du , Mohsen Guizani