Updated 4:59 PM EDT, Fri, Oct 11, 2019

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Verizon Turns 'Zombie Cookie' into an Option


(Photo : Reuters) Verizon will let users opt-out from its UIHD feature.

Users can now opt out of Verizon's "unique identifier header" or the UIDH after users complained it continued to track them even after being deleted.

UIDH is a digital identification system used to track a client's browsing behavior. Security researchers are calling UIDH is a "zombie cookie". UIDH is basically for targeted advertising as users being tracked will only be shown ads that align with their interests.

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The zombie cookie means that even if a user deletes the UIDH, it's still highly possible third parties could undelete the tracker without the consent of the users so it continues to show ads that would interest the user. Verizon has already addressed this before but noted users can opt out of the UIDH but can never delete it.

"We listen to our customers and provide them the ability to opt out of our advertising programs. We have begun working to expand the opt-out to include the identifier referred to as the UIDH, and expect that to be available soon. As a reminder, Verizon never shares customer information with third parties as part of our advertising programs", Verizon said in a statement.

There is no set date as to when users can opt out and delete UIDH completely from their devices.

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