{"id":9254,"date":"2014-07-27T22:00:31","date_gmt":"2014-07-28T02:00:31","guid":{"rendered":"http:\/\/mjtsai.com\/blog\/?p=9254"},"modified":"2014-07-27T22:00:31","modified_gmt":"2014-07-28T02:00:31","slug":"canvas-fingerprinting-instead-of-cookies","status":"publish","type":"post","link":"https:\/\/mjtsai.com\/blog\/2014\/07\/27\/canvas-fingerprinting-instead-of-cookies\/","title":{"rendered":"Canvas Fingerprinting Instead of Cookies"},"content":{"rendered":"<p><a href=\"http:\/\/mashable.com\/2014\/07\/21\/impossible-block-tracking-tool\/\">Julia Angwin<\/a> (via <a href=\"https:\/\/alpha.app.net\/johngordon\/post\/35453435\">John Gordon<\/a>):<\/p>\n<blockquote cite=\"http:\/\/mashable.com\/2014\/07\/21\/impossible-block-tracking-tool\/\"><p>The type of tracking, called canvas fingerprinting, works by instructing the visitor&rsquo;s web browser to draw a hidden image, and was first documented in a upcoming <a href=\"https:\/\/securehomes.esat.kuleuven.be\/~gacar\/persistent\/index.html\">paper<\/a> by researchers at Princeton University and KU Leuven University in Belgium. Because each computer draws the image slightly differently, the images can be used to assign each user&rsquo;s device a number that uniquely identifies it.<\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"<p>Julia Angwin (via John Gordon): The type of tracking, called canvas fingerprinting, works by instructing the visitor&rsquo;s web browser to draw a hidden image, and was first documented in a upcoming paper by researchers at Princeton University and KU Leuven University in Belgium. Because each computer draws the image slightly differently, the images can be [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"apple_news_api_created_at":"","apple_news_api_id":"","apple_news_api_modified_at":"","apple_news_api_revision":"","apple_news_api_share_url":"","apple_news_coverimage":0,"apple_news_coverimage_caption":"","apple_news_is_hidden":false,"apple_news_is_paid":false,"apple_news_is_preview":false,"apple_news_is_sponsored":false,"apple_news_maturity_rating":"","apple_news_metadata":"\"\"","apple_news_pullquote":"","apple_news_pullquote_position":"","apple_news_slug":"","apple_news_sections":"\"\"","apple_news_suppress_video_url":false,"apple_news_use_image_component":false,"footnotes":""},"categories":[2],"tags":[346,355,96],"class_list":["post-9254","post","type-post","status-publish","format-standard","hentry","category-technology","tag-javascript","tag-privacy","tag-web"],"apple_news_notices":[],"_links":{"self":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/9254","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/comments?post=9254"}],"version-history":[{"count":1,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/9254\/revisions"}],"predecessor-version":[{"id":9255,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/posts\/9254\/revisions\/9255"}],"wp:attachment":[{"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/media?parent=9254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/categories?post=9254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mjtsai.com\/blog\/wp-json\/wp\/v2\/tags?post=9254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}