The EU General Data Protection Regulation (GDPR) comes into effect on...
If you travel a lot and need to access sensitive information you should always use a virtual private network (VPN).
This is a safe way of browsing the web in an encrypted manner. VPN provides encryption and security across public networks as well as masking your IP address so that the opportunities for phishing attempts are dramatically reduced.
Talk to your IT provider if you are unsure what this means otherwise wait until you are in a safer environment.