I have the following definition...
access="IS_AUTHENTICATED_ANONYMOUSLY" Is the solution. I found it on the following link http://syntx.io/adding-http-basic-auth-to-restful-services-in-java-and-spring/
Intercepts are evaluated top down. If you write this /** before /getIntelFeed/** then all service would go through /** and security would be applied on all services. In such case /getIntelFeed/** would be ineffective.