Critical examination of the common remote maintenance method via a VPN tunnel
"use of VPN (virtual private network) is now one of the most widely used technologies for integrating remote maintainers into the operator network. As with other common remote maintenance solutions, the aim is to give maintenance personnel access to one or more remote target systems. A VPN infrastructure often already exists for normal enterprise operation, e.g. for home offices or mobile employees. At first glance, it seems obvious to use it to map a remote maintenance connection to your system directly. However, it is worth taking a closer look here, as this uncomplicated method is often not the one that offers you optimum IT security.Translated with DeepL.com (free version)." - www.sichere-industrie.de