Some public WiFi networks ask for information such as your email, phone number, and address. It would be safer to use well-known WiFi networks of popular restaurants in your city. You can also use HTTPS (Hypertext Transfer Protocol Secure) Only visit sites that are fully encrypted to keep your data secure. Use Virtual Private Network (VPN) using a VPN is the most secure way of using internet accessed from a public free WiFi. It is also capable of masking or hiding your IP address and hiding your actual physical location.”]
Source: https://gbhackers.com/best-ways-to-keep-your-data-secured-while-using-public-wifi-networks/