NDLI: SignedQuery: Protecting users data in multi-tenant SaaS environments

Content Provider	IEEE Xplore Digital Library
Author	Saleh, E. Takouna, I. Meinel, C.
Copyright Year	2013
Description	Author affiliation: Hasso Plattner Inst., Univ. of Potsdam, Potsdam, Germany (Saleh, E.; Takouna, I.; Meinel, C.)
Abstract	Software-as-a-Service (SaaS) is emerging as a new software delivery model, where the application and its associated data are hosted in the cloud. Due to the nature of SaaS and the cloud in general, where the data and the computation are beyond the control of the user, data privacy and security becomes a vital factor in this new paradigm. Several research studies reported that security and privacy are cited as the biggest concerns in adopting cloud computing. In multi-tenant SaaS applications, the tenants become concerned about the confidentiality of their data since several tenants are consolidated onto a shared infrastructure. Consequently, several questions raise, such as, how to ensure that tenant's data are only available to authenticated users? How to prohibit a tenant from accessing other's data? To address these concerns, we present SignedQuery, a mechanism designed to facilitate the process of securing data stored on the cloud. SignedQuery ensures data confidentiality by preventing any tenant from accidentally or maliciously accessing other tenants' data without breaking the functionality of the application. SignedQuery utilizes the usage of a signature to sign the tenant's request, so the server can recognize the requesting tenant and ensure that the data to be accessed is belonging to this tenant. SignedQuery intercepts the HTTP request objects at the tenant's internal network, create the signature and attach it to the request headers, then send the request to the SaaS provider where the signature is validated. We have successfully tested SignedQuery against OrangeHRM. The results showed that our approach is feasible, and incur a negligible overhead.
Starting Page	213
Ending Page	218
File Size	367982
Page Count	6
File Format	PDF
ISBN	9781479924325
e-ISBN	9781467362177
DOI	10.1109/ICACCI.2013.6637173
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-22
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Databases Software as a service Servers Time factors Cryptography
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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