Change – regardless of the benefits that may come with it – is hard for most people, and IT professionals are no different. In its infancy, the cloud was a bit chaotic when it came to security standards, and even though that situation is much improved, the cloud still has to prove itself to IT departments that don’t yet have trust in it.
http://www.citeworld.com/security/23079/okta-birst-ciphercloud-druva-cloud-security-panel