The feature, available through applications from Juniper Networks and Cisco Systems, came along with the operating system s mid-2010 revamp. Users can leverage the companies services to access their corporate resources securely via certificate-based authentication. The feature is available for free in the Apple App Store and available for download in the App Store. It will successfully verify your iPhone s connection with your endpoint while adding an extra layer of encryption protection. The service is free to download in Apple’s App Store, with prices starting at $99.
Source: https://threatpost.com/sslvpn-connectivity-4-0/91867/