
345Security in Cloud Computing
• Resource locality: In an SaaS model of a cloud environment, the end
users use the services provided by the cloud providers without
knowing exactly where the resources for such services are located
(see Section 13.3.2).
• IdM: IdM deals with identifying individuals in a system and control-
ling the access to the resources in that system by placing restrictions
on the established identities (see Section 13.3.2).
• Disaster recovery: Simple data backup as well as more comprehensive
disaster recovery and business continuity planning is an essential
part of business and personal life (see Section 13.4.1).
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