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Warning! Watch out for the pdf hack!

Security company McAfee announced last week that Adobe’s PDF reader, Reader, has a vulnerability that makes it possible to track a user. Although the vulnerability does not allow for direct attacks, McAfee considers it serious.

By exploiting a bug in the way Reader uses JavaScript, a hacker can create a pdf document that reveals which IP address a user is at and to some extent also register the user’s routines.

– Attackers can exploit the vulnerability to collect sensitive information such as IP address, Internet provider and even computer habits, McAfee writes in a blog post.

According to McAfee, the vulnerability does not pose a major risk by itself, but can be used in combination with other attacks to attack a user’s computer. The company advises users to turn off JavaScript support in Reader until Adobe releases a bug fix.

Adobe has not commented on the data.

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