When you visit a web site, you trust that it will give you the data you ask, and hopefully not a lot more. You hope that it doesn't give you viruses. Sites th

When you visit a web site, you trust that it will give you the data you ask, and hopefully not a lot more. You hope that it doesn't give you viruses. Sites that do are not trusted. Sites that don't are... not untrusted. :( You also hope that visiting a web site doesn't lead to the web site running a scan on your IP address. Or doing any number of other nefarious things. This kind of trust is at least most peoples assumptions. If it weren't, there would be no outrage or even surprise at the nefarious behaviors which abuse our trust.