Many people still don’t understand why connecting to free Wi-Fi is an incredibly dangerous situation regardless of what youre doing online. Hackers have access to every piece of information you send out — emails, phone numbers, credit card information, business data, the list goes on. Any information you share or access on these networks is as good as gone. Use virtual private networks (VPN) instead of connecting to the public network. Investing in an unlimited data plan will also allow you to use your mobile device to create a personal internet hotspot”]
Source: https://www.csoonline.com/article/3246984/why-you-should-never-ever-connect-to-public-wi-fi.html