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Tor security advisory: exit relays running sslstrip in May and June 2020

by isabela | August 14, 2020

This blog post aims to give some more context about an attack that happened earlier this year on the Tor network and what we have done to address this type of attack. We also want to share some information about the Tor Project’s capacity right now and some of our plans for the future.

  • 45 comments

What You Can Help Tor Accomplish in 2020

by isabela | December 27, 2019

Hello Tor supporters!

  • 18 comments

Modularizing Key Aspects of the Tor Network, Supported by MOSS

by gaba | December 12, 2019

The biggest change introduced thanks to this project is a generic publish-subscribe mechanism for delivering messages internally. It is meant to help us improve the modularity of our code by avoiding direct coupling between modules that don't actually need to invoke one another.

Giving Tuesday: Support Tech for Freedom and Human Rights

by nickm | December 02, 2019

I'd like to tell you about some of our work your contributions can help over the coming year. I'll be focusing on things that my team works on in the "tor" program itself.

  • 14 comments

Removing End-Of-Life Relays from the Network

by dgoulet | October 08, 2019

Today, the Tor network is composed of more than 6000 relays.

  • 14 comments
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How Bandwidth Scanners Monitor The Tor Network

by juga | April 11, 2019

The Tor network is comprised of thousands of volunteer-run relays around the world, and millions of people rely on it for privacy and freedom online everyday. To monitor the Tor network's performance, detect attacks on it, and better distribute load across the network, we employ what we call Tor bandwidth scanners.

  • 5 comments

New Release: OnionShare 2

by micah | February 20, 2019

OnionShare is an open source tool for securely and anonymously sending and receiving files using Tor onion services. OnionShare 2 adds anonymous dropboxes, supports new Tor addresses, and is translated into a dozen new languages.

  • 43 comments

KIST and Tell: Tor’s New Traffic Scheduling Feature

by tommy | October 03, 2017

The latest Tor alpha release included a new feature to address traffic congestion in the Tor network. The new algorithm —Kernel Informed Socket Transport (KIST)— prevents connections between Tor relays from becoming overwhelmed by changing how traffic is distributed throughout the Tor network.

  • 24 comments
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Debian and Tor Services available as Onion Services

by weasel | August 01, 2016

We, the Debian project and the Tor Project are enabling Tor

  • 58 comments

Hidden Services, Current Events, and Freedom Hosting

by phobos | August 04, 2013

Around midnight on August 4th we were notified by a few people that a large number of hidden service addresses have disappeared from the Tor Network.

  • 563 comments

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Recent Updates

New Release: Tor Browser 10.5a13

by sysrqb | April 05, 2021

Tor Browser 10.5a13 is now available from the Tor Browser Alpha download page and also from our

New Release: Tor Browser 10.0.15

by sysrqb | March 27, 2021

Update: 9 April 2021: Android Tor Browser 10.0.15 is now available.

Onionize your Workflow with the Onion Guide Fanzine

by gaba | March 27, 2021

At the Tor Project, we build technologies that allow anybody to access the Internet privately.

New Release: Tor Browser 10.0.14

by sysrqb | March 24, 2021

Tor Browser 10.0.14 is now available from the Tor Browser download page and also from our

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