John Sawyer of Dark Reading has put out another great blog post on using SHODAN to find exposed network devices like “printers, routers, fiber channel switches and industrial control systems” on a corporate network, and provides some useful advice for discovering those devices. See: http://www.darkreading.com/blog/archives/2010/09/change_manageme.html?cid=nl_DR_WEEKLY_2010-09-02_h for the full post.