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I've been wondering something, and I'm hoping that I can find some informative answers here.
My question is twofold.
(1) Suppose that I am in a hotel or a restaurant with the infamously unsecured open WiFi setup, susceptible to eavesdropping if I browse to websites which don't utilize encrypted connections. Can I make my browsing experience more secure by using another device, such as a capable PC or dedicated access point, to set up a bridge and act as an access point, with its own additional network and password, for other devices of mine to browse the Internet using the original network's Internet connection? For instance, if I would like to more securely browse the Internet through an open WiFi connection at a hotel, could I accomplish my goal by using PC-A to connect to the open network, share the Internet connection through a password-protected ad-hoc network to PC-B, and then use that password-protected ad-hoc network to browse the Internet (through PC-A and the original open WiFi network) from PC-B?
(2) Please answer the same question(s) from above, but please assume that I am using PC-A to connect to the Internet via Ethernet in a hotel room (instead of via WiFi).
All input is appreciated.
Thanks.