http://www.guardian.co.uk/technology/2009/jun/04/bruce-schneier-cloud-co...
Link to article, "Be careful when you come to put your trust in the clouds: Cloud computing may represent the future of computing but users still need to be careful about who is looking after their data" by Bruce Schneier.
Cloud computing considerations (from the article):
* "When a computer is within your network, you can protect it with other security systems... With any outsourcing model, whether it be cloud computing or something else, you can't."