Tom Gaffney said this quote

“ Employees can now easily leak company data through the use of insecure public Wi-Fi . If employees do not use VPNs to encrypt their data, they run the risk of exposing their traffic to cybercriminals. This means that passwords and usernames can be seen and intercepted by others on the network….. Although public WiFi hotspots are an invaluable services, there is a strong need for businesses to stay on top of the potential threats and security risks. ”