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blog.mozilla.org

Mozilla Security Blog

Get the latest updates from Mozilla Security Blog directly as they happen.

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Latest posts

Last updated 18 days ago

Rapidly Leveling up Firefox Security

19 days ago

At Mozilla, we believe in an open web that is safe to...

Mozilla VPN Security Audit 2023

5 months ago

To provide transparency into our ongoing efforts to protect your privacy and...

Version 2.9 of the Mozilla Root Store Policy

7 months ago

Online security is constantly evolving, and thus we are excited to announce...

Updated GPG key for signing Firefox Releases

12 months ago

The GPG key used to sign the Firefox release manifests is expiring...

Upgrading Mozilla’s Root Store Policy to Version 2.8

almost 2 years ago

In accordance with the Mozilla Manifesto, which emphasizes the open development of...

Revocation Reason Codes for TLS Server Certificates

almost 2 years ago

In our continued efforts to improve the security of the web PKI...

Preventing secrets from leaking through Clipboard

over 2 years ago

  For decades users have been pressing Ctrl+C or relying on copy buttons...

Improving the Quality of Publicly Trusted Intermediate CA Certificates with Enhanced Oversight and Automation

over 2 years ago

In keeping with our commitment to the security and privacy of individuals...

Securing the proxy API for Firefox add-ons

over 2 years ago

Overview Add-ons are a powerful way to extend and customize Firefox. At...

Firefox 93 features an improved SmartBlock and new Referrer Tracking Protections

over 2 years ago

We are happy to announce that the Firefox 93 release brings two...

Firefox 93 protects against Insecure Downloads

over 2 years ago

  Downloading files on your device still exposes a major security risk and...

Securing Connections: Disabling 3DES in Firefox 93

over 2 years ago

As part of our continuing work to ensure that Firefox provides secure...