When two major vulnerabilities known as Meltdown and Spectre were disclosed by security researchers in early 2018, Firefox promptly added security mitigations to keep you safe. Going forward, however, it … Read more
We have been alerted about applications that use the root store provided by Mozilla for purposes other than what Mozilla’s root store is curated for. We provide a root store … Read more
Individuals’ security and privacy on the internet are fundamental. Living up to that principle we are announcing the following changes to Mozilla’s Root Store Policy (MRSP) which will come into … Read more
We are pleased to announce that Firefox 88 is introducing a new protection against privacy leaks on the web. Under new limitations imposed by Firefox, trackers are no longer able … Read more
Today, with the launch of Firefox 87, we are excited to introduce SmartBlock, a new intelligent tracker blocking mechanism for Firefox Private Browsing and Strict Mode. SmartBlock ensures that strong … Read more
We are pleased to announce that Firefox 87 will introduce a stricter, more privacy-preserving default Referrer Policy. From now on, by default, Firefox will trim path and query string … Read more
Today we are pleased to announce Total Cookie Protection, a major privacy advance in Firefox built into ETP Strict Mode. Total Cookie Protection confines cookies to the site where they … Read more
Trackers and adtech companies have long abused browser features to follow people around the web. Since 2018, we have been dedicated to reducing the number of ways our users can … Read more
Background Two years ago, we announced experimental support for the privacy-protecting Encrypted Server Name Indication (ESNI) extension in Firefox Nightly. The Server Name Indication (SNI) TLS extension enables server and … Read more
Firefox is the only major browser that still evaluates every website it connects to whether the certificate used has been reported as revoked. Firefox users are notified of all connections … Read more
Overview The Domain Name System (DNS) is often referred to as the “phonebook of the Internet.” It is responsible for translating human readable domain names–such as mozilla.org–into IP addresses, which … Read more
Security on the web matters. Whenever you connect to a web page and enter a password, a credit card number, or other sensitive information, you want to be sure … Read more