Win10 1. Local area network (LAN) with the latest version can be used and there is no open function will be invaded by other computers in the network? (in addition to the zero day vulnerabilities, already know that the network must be zero day vulnerabilities to the invasion, but I don't know if network is also must be zero day vulnerabilities to invasion, network not share a network)
2. LAN sniffer can absolutely prevent other network computer account passwords, and so on information? (see a lot of online articles not WiFi connection public said will be sniffing computer information)