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Hackers Can Silently Grab Your IP Through Skype. Microsoft Is In No Rush to Fix It
(www.404media.co)
This is a most excellent place for technology news and articles.
Always on VPN is a good idea, or a VPN just for apps you don't trust (like skype). https://github.com/Safing/portmaster is a nice visual firewall configurator that can do things like, this app, must use the firewall. (easy to configure split firewall)