A really simple view of the web minus the code and the wires and all the intermediate hardware. See a more complex view of the web at Opte. Once you have seen the interconnectedness of the web on Opte and reviewed the technical details of how that diagram was created your first observation should be that every server and every client has access to all other servers and clients in the world. Yes! Your good customers can find your website on your server and the bad guys can find it too! Code you write, websites and computers under your control must take into account and protect against known hacker exploits.