Happy Families: new certificates for faster and easier relay management

Favorite Frequently relay operators (individuals or organization) want to operate more than one relay. In order to advertise this fact, they declare that their relays belong to a “Relay Family” together. Within the Tor protocol, Relay Families help make sure that an honest relay operator is never in a position to appear in the same…

New Release: Tails 6.15.1

Favorite This release is an emergency release to fix important security vulnerabilities in Tor Browser. Changes and updates Update Tor Browser to 14.5.2, which fixes Mozilla Foundation Security Advisory 2025-37. These vulnerabilities allow an attacker to perform an out-of-bounds read or write on a JavaScript object, but don’t allow breaking out of the Firefox sandbox.…

New Release: Tor Browser 14.5.2

Favorite Tor Browser 14.5.2 is now available from the Tor Browser download page and also from our distribution directory. This version includes important security updates to Firefox. Send us your feedback If you find a bug or have a suggestion for how we could improve this release, please let us know. Full changelog The full…

Introducing oniux: Kernel-level Tor isolation for any Linux app

Favorite When launching privacy-critical apps and services, developers want to make sure that every packet really only goes through Tor. One mistyped proxy setting–or a single system-call outside the SOCKS wrapper–and your data is suddenly on the line. That’s why today, we are excited to introduce oniux: a small command-line utility providing Tor network isolation…

New Release: Tails 6.15

Favorite Changes and updates Update Tor Browser to 14.5.1. Update the Linux kernel to 6.1.135. Fixed problems Make sure Tails cannot store data in UEFI variables or ACPI tables when crashing. (#20813) Fix the appearance of the GRUB Boot Loader with Secure Boot. (#20899) For more details, read our changelog. Known issues Remove firmware for…

Arti 1.4.3 is released: Prometheus metrics support, inital work on Counter Galois Onion and congestion control.

Favorite Arti is our ongoing project to create a next-generation Tor client in Rust. Now we’re announcing the latest release, Arti 1.4.3. This release adds support for exporting metrics via Prometheus. To use this feature, compile Arti with the metrics feature, and add the [metrics] section to your configuration file, as shown in our example…

New Release: Tor Browser 14.5

Favorite Tor Browser 14.5 is now available from the Tor Browser download page and distribution directory. This release marks the introduction of Connection Assist to Android, empowering mobile users who are subjected to strict censorship to unblock Tor at the press of a button. In addition, the Belarusian, Bulgarian and Portuguese (Portugal) languages are now…