The major challenge enterprises face today is how to create innovative business models and to increase productivity by opening the network to a dynamic workforce, while at the same time protecting critical assets from the vulnerabilities that openness and user mobility bring. In addition, to comply with industry and governmental regulations, enterprises must prove that they have stringent controls in place to restrict access to credit card information, patient health records and other sensitive data. This paper by Juniper Networks describes the top five networking access control challenges that companies like yours are facing and solutions that they are deploying today.