Protect Against WannaCry

[TechLord]

Originally Posted by Kerlingen

If you have a very old ISP contract or are using a mobile modem (SIM card) to access the internet you might be running in an IPv4-only environment behind a NAT. But in pretty much every other situation you have IPv6 without NAT and all your network PCs are accessible directly from the internet.

For many of the home users and even office PCs, NAT is switched on by default in the router through which they access the internet, so this should not be a problem.

At least, for many of the routers in the US, I see that the NAT is already enabled...