How you provide access to network based on user credentials

Discussion Post: Network Access Control Scenario

All Country Insurance wants to upgrade its network protection based on a string of recent breaches. The chief information officer (CIO) boasts that his business network has never had security issues and already has a properly configured firewall. All Country has a number of field service representatives selling various insurance policies that require different levels of network access. The ability to meet the requests for information and control network access of information has become difficult. For your main post, develop a resolution summary describing how you can provide access to the network based on user credentials, maintain control over access points, and detect access attempts by unauthorized users. Your main post needs to address network access, tracking, and alerts that relate to the concerns of this situation.