Use of the cloud to store and provision user credentials are still low within business; but it is beginning to grow. Small online service providers are allowing users to access Internet services through social media usernames and passwords. Social media credentialing approach seems to have spawned the future of identity and access management with the use of third party companies to attest a users identity. In five years, things will certainly have evolved. CISOs will have the choice between maintaining their own expensive proprietary identity ecospheres, or tapping into an inexpensive wider one.”]
Source: https://informationsecuritybuzz.com/articles/a-revolution-will-happen-iam-proprietary-vs-cloud/