Approximately 15 million Xfinity WiFi public hotspots are available today domestically, the total tonnage or usage for the month of Jan 2017 was 174 Petabytes and there were 1.79 billion sessions. More than 7 million apps were downloaded on the network in that month. Ensuring the security of the users on public hotspots will minimize threats and provide an overall improved user experience. This paper will explore EAP-TLS mechanism and its implementation approach on public WiFi.