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Total Cookie Protection offers additional privacy protections beyond those provided by our existing anti-
tracking features. Enhanced Tracking Protection (ETP), which we launched in 2018, works by blocking track-
ers based on a maintained list. If a party is on that list, they lose the ability to use third-party cookies. ETP was
a huge privacy win for Firefox users, but we’ve known this approach has some shortcomings. If a tracker for
some reason isn’t on that list, they can still track users and violate their privacy. And if an attacker wants to
thwart ETP, they can set up a new tracking domain that isn’t on the list. Total Cookie Protection avoids these
problems by restricting the functionality for all cookies, not just for those on a defined list.

A culmination of years of anti-tracking work

Total Cookie Protection is the culmination of years of work to fight the privacy catastrophe that stems from
online trackers. We first began to block tracking in 2015 with the release of Tracking Protection, a feature
people could turn on by going into Private Browsing mode. We recognized at that time that browser makers
couldn’t just sit back and let their users be abused. In 2018, we introduced Enhanced Tracking Protection and
turned it on by default for all Firefox users in 2019, reflecting our commitment to actively protect our users
rather than expect them to protect themselves. Since then, we have continued to make progress towards block-
ing trackers and ending cross-site tracking by introducing protections against fingerprinting and supercook-
ies.

The release of Total Cookie Protection is the result of experimentation and feature testing, first in ETP Strict
Mode and Private Browsing windows, then in Firefox Focus earlier this year. We’re now making it a default
feature for all Firefox desktop users worldwide.

Our long history of fighting online tracking manifests itself in our advocacy to policy makers and other tech
companies to reinforce their own privacy protections. We also push to make privacy an industry priority
through our efforts in industry standards bodies when shaping the future of online advertising. Furthermore,
we created the Privacy Not Included guide to simplify the very complicated privacy landscape and help
consumers shop smarter and safer for products that connect to the internet.

Over more than a decade, Mozilla has proudly been leading the fight to build a more private internet. Bringing
Total Cookie Protection to more Firefox users is our next step towards creating a better internet, one where
your privacy is not optional.

Microsoft patches TPM 2.0 bypass to prevent

Windows 11 installs on PCs with unsupported

CPUs

Good times for slightly older CPUs are coming to an end.