Articles tagged with “Firefox”

Introducing the ASan Nightly Project

Every day, countless Mozillians spend numerous hours testing Firefox to ensure that Firefox users get a stable and secure product. However, no product is bug free and, despite all of … Read more

Secure Contexts Everywhere

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

Deprecating the RC4 Cipher

As part of our commitment to protect the privacy of our users, Mozilla will disable the insecure RC4 cipher in Firefox in late January 2016, beginning with Firefox 44. Mozilla … Read more

Update on Plugin Activation

To provide a better and safer experience on the Web, we have been working to move Firefox away from plugins. After much testing and iteration, we determined that Firefox would … Read more

Cooling Down the Firesheep

There have been a number of reports about a new Firesheep tool that exposes a weakness in website security, letting attackers snoop on people using public networks, steal their cookies, … Read more

X-Frame-Options

One of the security enhancements included with Firefox 3.6.9 is support for the x-frame-options header. This optional header can be included within the HTTP response to instruct the client’s browser on whether the returned content is allowed to be framed by other pages. Read more

Plugging the CSS History Leak

Privacy isn’t always easy. We’re close to landing some changes in the Firefox development tree that will fix a privacy leak that browsers have been struggling with for some time. … Read more