Also known was "wardriving". Schneier has written about (and sort of advocates) being on the receiving end of this [0]: I spoke to several lawyers about th

Also known was "wardriving". Schneier has written about (and sort of advocates) being on the receiving end of this [0]: I spoke to several lawyers about this, and in their lawyerly way they outlined several other risks with leaving your network open. While none thought you could be successfully prosecuted just because someone else used your network to commit a crime, any investigation could be time-consuming and expensive. [0] - https://www.schneier.com/blog/archives/2008/01/my_open_wireles.html https://www.schneier.com/blog/archives/2008/01/my_open_wirel...