OK I will just use mobile data instead of public wifi's. But then my next question was, how can I guarantee that my mobile data cannot be intercepted. Doing a bit of internet searching I found articles such as this one: HACKER SPOOFS CELL PHONE TOWER TO INTERCEPT CALLS. which says things like:

It will intercept any 800/900 MHz cell phone conversations as well as those of cordless telephones. If you want to listen in on conversations, you simply push a button and this will enable you to hear both sides of the conversation that is taking place. The intercepting range is 5 miles. Order now / Learn more How hackers are hijacking your cellphone account Mar 27, 2018 Hacker Spoofs Cell Phone Tower to Intercept Calls | WIRED

Police Using Planes Equipped with Dirtbox to Spy on your

encryption - Can mobile phone data be intercepted or OK I will just use mobile data instead of public wifi's. But then my next question was, how can I guarantee that my mobile data cannot be intercepted. Doing a bit of internet searching I found articles such as this one: HACKER SPOOFS CELL PHONE TOWER TO INTERCEPT CALLS. which says things like:

Passive GSM Interceptor - cell phone eavesdropping

A computer security researcher says he has built a device for just $1,500 that can intercept some kinds of cell phone calls and record everything that's said. Chris Paget planned to show off the Android SmartPhone Intercept - Eyetek Surveillance SmartPhone Intercept allows you to monitor all activity on the mobile phone on which it has been installed. . This software will work on all mobiles that run on Android 2.2 or above, this includes: the Samsung Galaxy range of phones.