Category: General|Aug 9, 2020 | Author: Admin

Firefox gets next-gen anti-tracking defense, stymies 'bounce' trackers

Share on

Mozilla is rolling out a new defense against advanced tracking tactics in Firefox 79; users should get it during the next few weeks.

Calling the improved technologies and techniques Enhanced Tracking Protection 2.0 – Mozilla said that ETP 2.0's primary job is to block redirect tracking, also known as bounce tracking.

Trackers have been exploiting a loophole of sorts to continue following users browsing with Firefox, which enabled its first-generation ETP by default in June 2019. ETP takes a hands-off approach for first-party cookies – those tied to the site being browsed – because to do otherwise would break many of those websites or require users to, say, log in each time they returned.

Trackers exploited that.

"Redirect tracking takes advantage of this to circumvent third-party cookie blocking," Steven Englehardt, a Mozilla privacy engineer, said in an Aug. 4 post to a company blog.

To do so, those practicing redirect or bounce tracking force users to "make an imperceptible and momentary stopover to their website" so that their trackers can be loaded as first-party and thus have their cookies stored by Firefox (for later reuse, as first-party cookies are). The redirect or bounce tracker than sends the user on to the latter's destination website, now burdened with identifiers following them and reporting back to the first-party cookies.

To short-circuit this trickery, Firefox's ETP 2.0 regularly scrubs the browser of cookies and other site-specific data stored by known trackers. "This prevents redirect trackers from being able to build a long-term profile of your activity," Englehardt wrote.

ETP 2.0 doesn't completely stop bounce tracking, as the cookies survive between ETP 2.0's house cleanings. The interval between cleanings will be at least 24 hours, and if the browser is active throughout (as unlikely as that may be), up to and beyond 48 hours, because cookie and other site data storage will be cleared only when the browser is idle, according to a technical description of the new defense.

ETP 2.0 is also supposed to steer clear of cookies tied to legitimate services, even if those cookies are served by trackers (another dodge by these web bloodhounds). Instead, Firefox will leave cookies be if the user has interacted with the site in the past 45 days, even if those cookies are used to conduct tracking.

"This way you don't lose the benefits of the cookies that keep you logged in on sites you frequent, and you don't open yourself up to being tracked indefinitely based on a site you've visited once," said Selena Deckelmann, vice president of Firefox desktop, in a different blog post.

Firefox 79, which Mozilla released a week ago, can be downloaded from here for Windows, macOS and Linux.

Sponsored Ads:

Comments:


Must be scrutinized extra carefully

Category: IT|Nov 28, 2022 | Author: Admin

Important drivers launched

Category: IT|Nov 27, 2022 | Author: Admin

Soon, Apple will make the big iPhone change

Category: Apple|Nov 26, 2022 | Author: Admin

Approaching the Apple iPhone

Category: Google|Nov 25, 2022 | Author: Admin

Apple fans will like this for the Tesla

Category: Apple|Nov 24, 2022 | Author: Admin

Microsoft is making an iPhone comeback

Category: Microsoft|Nov 23, 2022 | Author: Admin

This is how the iPhone 15 Pro becomes much faster

Category: Apple|Nov 22, 2022 | Author: Admin

Apple makes iPhone more like Android (if you want)

Category: Apple|Nov 21, 2022 | Author: Admin

These countries cheat the most and this is how they do it

Category: General|Nov 20, 2022 | Author: Admin

How to set up NightScout Docker using CyberPanel Hosting panel

Category: Tutorials|Nov 19, 2022 | Author: Admin

It will soon be over and out, warns Microsoft

Category: Microsoft|Nov 18, 2022 | Author: Admin

Now they can't fool around

Category: General|Nov 17, 2022 | Author: Admin

Must do as Meta

Category: General|Nov 16, 2022 | Author: Admin

Now Microsoft's big scare begins

Category: Microsoft|Nov 15, 2022 | Author: Admin

If they lose power, it's over and done with

Category: Google|Nov 14, 2022 | Author: Admin
more