Stealthy new online tracking software puts your privacy at risk
A growing number of websites are employing a stealthy new form of
hard-to-block Internet tracking software that may pose increasing
privacy risks for customers.
Canvas fingerprinting, which can
command your browser to draw a unique identifier and then log your
online behaviour, is nearly impossible to detect, does not fall under
“do not track” voluntary systems and evades most conventional
ad-blocking software. It is already tracking users on 5 per cent of the
biggest sites on the Internet, including The White House, Starbucks,
Re/Max Canada, Canadian retailers Metro and Home Hardware, Postmedia
website Canada.com, as well as a number of pornography sites.
A team of academics from Princeton University and Belgium’s KU Leuven University released a study Tuesday that says canvas fingerprinting has spread to at least 5,542 of the Web’s top 100,000 sites, largely thanks to software from a Virginia-based company called AddThis.
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