A presentation I gave at the first b-sides Las Vegas security conference showing the security challenges we face going forward in the era of open-by-default social networking.
15. Retrieve Username $.getJSON(" http://twitter.com /statuses/user_timeline?count=1&callback=? ", function(data) { alert("Username is: " + data[0].user.screen_name ) }); {"text":"Pretty sure humans have kneecaps so we can slam them into tables. *ow*","truncated":false, "user" :{"following":null,"time_zone":"Pacific Time (US & Canada)","description":"Prof. Computer Security Consultant with a passion for breaking things and generating statistics (see http:tweetstats.com and http:ratemytalk.com).", "screen_name":"dacort" ,"utc_offset":-28800,"profile_sidebar_border_color":"87bc44","notifications":null,"created_at":"Thu Dec 21 07:14:05 +0000 2006","profile_text_color":"000000","url":"http:dcortesi.com","name":"Damon Cortesi","statuses_count":21385,"profile_background_image_url":"http:static.twitter.comimagesthemestheme1bg.gif","followers_count":4441,"protected":false,"profile_link_color":"A100FF","profile_background_tile":false,"friends_count":1775,"profile_background_color":"000000","verified":false,"favourites_count":202,"profile_image_url":"http:s3.amazonaws.comtwitter_productionprofile_images90802743Famous_Glasses_normal.jpg","location":"Seattle, WA","id":99723,"profile_sidebar_fill_color":"e0ff92"},"in_reply_to_status_id":null,"created_at":"Mon Jul 27 21:37:53 +0000 2009","in_reply_to_user_id":null,"favorited":false,"in_reply_to_screen_name":null,"id":2877957719,"source":"<a href=amp;quot;http: www.atebits.com amp;quot;>Tweetie<a>"}
45. Again, Not just Twitter “ What Other Users Can See via the Facebook Platform” “ When a friend of yours allows an application to access their information, that application may also access any information about you that your friend can already see.”