When does Firefox alert for breached sites?

Mozilla’s Position on Data Breaches Data breaches are common for online services. Humans make mistakes, and humans make the Internet. Some online services discover, mitigate, and disclose breaches quickly. Others … Read more

Encrypted SNI Comes to Firefox Nightly

TL;DR: Firefox Nightly now supports encrypting the TLS Server Name Indication (SNI) extension, which helps prevent attackers on your network from learning your browsing history. You can enable encrypted SNI … Read more

Removing Old Versions of TLS

In March of 2020, Firefox will disable support for TLS 1.0 and TLS 1.1. On the Internet, 20 years is an eternity.  TLS 1.0 will be 20 years old in … Read more

Supporting Referrer Policy for CSS in Firefox 64

The HTTP Referrer Value Navigating from one webpage to another or requesting a sub-resource within a webpage causes a web browser to send the top-level URL in the HTTP referrer … Read more

September 2018 CA Communication

Mozilla has sent a CA Communication to inform Certification Authorities (CAs) who have root certificates included in Mozilla’s program about current events relevant to their membership in our program and … Read more

Why we need better tracking protection

Mozilla has recently announced a change in our approach to protecting users against tracking. This announcement came as a result of extensive research, both internally and externally, that shows that … Read more