Firefox 91 introduces HTTPS by Default in Private Browsing
We are excited to announce that, starting in Firefox 91, Private Browsing Windows will favor secure connections to the web by default. For every website you visit, Firefox will … Read more
We are excited to announce that, starting in Firefox 91, Private Browsing Windows will favor secure connections to the web by default. For every website you visit, Firefox will … Read more
Starting with version 90, Firefox will automatically find and offer to use client authentication certificates provided by the operating system on macOS and Windows. This security and usability improvement … Read more
The File Transfer Protocol (FTP) has long been a convenient file exchange mechanism between computers on a network. While this standard protocol has been supported in all major browsers … Read more
We are pleased to announce that Firefox 90 will support Fetch Metadata Request Headers which allows web applications to protect themselves and their users against various cross-origin threats like … Read more
Mozilla offers GPG signing to let you verify the integrity of our Firefox builds. GPG signatures for Linux based builds are particularly important, because it allows Linux distributions and other … Read more
Your personal data is yours – and it should remain yours! Unfortunately data breaches that reveal your personal information on the internet are omnipresent these days. In fact, fraudulent use … Read more
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
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