MifosX is currently secured over HTTP basic authentication over SSL. Refer https://demo.openmf.org/api-docs/apiLive.htm#authentication_overview for implementation details

However, these has been growing demand by Organizations using Mifosx for securing our services using Oauth2.

Something on the lines of http://porterhead.blogspot.in/2014/05/securing-rest-services-with-spring.html

the community app would also have to be updated to consume the same

https://mifosforge.jira.com/browse/MIFOSX-1746