Cloud computing, cloud services and virtualisation – they are no longer only buzzwords in academic discussions, but are an ongoing practical trend. Many IT services are already available from ‘the cloud’. They are consumed and used over the Internet.
Cloud services are scalable and elastic. They have a predictable pricing model and charges are based on actual usage. Although cost efficiency is the major goal in optimising IT operation, an organisation should never neglect security concerns relating to the use of cloud services. The security of sensitive data and processes – often left unprotected within the boundaries of the corporate network – needs to be reconsidered.
The same economical and organisational arguments that apply for primary IT services may justify outsourcing security services as well. Digital identities from the cloud add a new perspective to virtualisation and cloud computing. This paper introduces identity cloud services that use PKI and related technologies for strong digital identities and validation. It further explains the important aspects that have to be considered when evaluating providers of security identity services.
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