Digital Nomads are always on the go. Interestingly, digital nomands are always on the move from one location to another that a digital nomad often tends to miss one important plugin that they need while traveling places.

Virtual Private Network or VPN and a good Anti-Virus is one of the important software which one needs to install and purchasing these are would be a viable option.
The reason is that a digital nomad tends to use many wireless networks which is available almost everywhere but most of them cannot be trusted as they can be hacked easily.

In this case, strong anti-virus software would come into assistance where you can safeguard your details and if any website or anything suffers from brute attack one can be safe against these attacks.

VPN and Anti-Virus can also be used for free for a short time traveler visiting a new location but as a digital nomad, one is completely dependent on the online world and these small things can be a huge game-changer for you.
If you do not want to risk your personal information in the online world, purchase good softwares, and do make sure that they are updated as per the new updates that are periodically released by the companies.