Since Let’s Encrypt launched, secure contexts have become much more mature. We have witnessed the successful restriction of existing, as well as new features to secure contexts. The W3C TAG … Read more
Several recently-published research articles have demonstrated a new class of timing attacks (Meltdown and Spectre) that work on modern CPUs. Our internal experiments confirm that it is possible to use … Read more
End users rely on the address bar of a web browser to identify what web page they are on. However, most end users are not aware of the concept of … Read more
Mozilla has sent a CA Communication to inform Certificate Authorities (CAs) who have root certificates included in Mozilla’s program about Mozilla’s expectations regarding version 2.5 of Mozilla’s Root Store Policy, … Read more
Mozilla’s Root Store Program has taken the position that trust is not automatically transferable between organizations. This is specifically stated in section 8 of our Root Store Policy v2.5, which … Read more
Editors Note: This is a guest post by Ashish Gaurav, Harsh Vardhan, and Rishabh Saxena Maintaining a large number of servers and keeping them secure is a tough job! System … Read more
The data URL scheme provides a mechanism which allows web developers to inline small files directly in an HTML (or also CSS) document. The main benefit of data URLs is … Read more
AES-GCM is a NIST standardised authenticated encryption algorithm (FIPS 800-38D). Since its standardisation in 2008 its usage increased to a point where it is the prevalent encryption used with TLS. … Read more
Traditionally, software is produced in this way: write some code, maybe do some code review, run unit-tests, and then hope it is correct. Hard experience shows that it is very … Read more
Recently, Mozilla released version 2.5 of our Root Store Policy, which continues our efforts to improve standards and reinforce public trust in the security of the Web. We are grateful … Read more
In October 2016, Mozilla announced that, as of Firefox 51, we would stop validating new certificates chaining to the root certificates listed below that are owned by the companies WoSign … Read more
To provide transparency into our ongoing efforts to protect your privacy and security on the Internet, we are releasing a security audit of Firefox Accounts (FxA) that Cure53 conducted last … Read more