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This blog post is a response to an investigative news report about a large-scale law-enforcement attack that managed to de-anonymize a user of an old version of the long-retired app Ricochet. This blog post aims to provide insight into what we know so far. Nothing that the Tor Project has learned about this incident…
Wednesday, CloudFlare blogged that 94% of the requests it sees from Tor are "malicious." We find...
The Tor Project has learned that there may be an attempt to incapacitate our network in the next...
A few weeks ago, a small group of Tor developers got together in Montreal and worked on onion...
Today, we are officially introducing a proof-of-work (PoW) defense for onion services designed to prioritize verified network traffic as a deterrent against denial of service (DoS) attacks with the release of Tor 0.4.8.
We are hyped to present the next generation of onion services! We've been working on this project non-stop for the past 4 years and we officially launched it two weeks ago by publishing our first alpha releases. All in all, the new system is a well needed improvement that fixes many shortcomings of the old design, and…
Hello Tor Community! We first introduced you to the Library Freedom Project back in February...
According to a recently published research paper co-authored by researchers from Drexel, NYU, and the University of Washington, Tor users make high-quality contributions to Wikipedia. And, when they are blocked, as doctoral candidate Chau Tran, the lead author describes, "the collateral damage in the form of…
This advisory was posted on the tor-announce mailing list. SUMMARY: On July 4 2014 we found a...
Today the Tor Project is launching the Run a Tor Bridge campaign. Participants are invited to contribute and help censored users by running a Tor bridge. You can find more details below, including our special reward kits for participants. The campaign will run from November 17 to January 7, 2022. Join us and help…
WARNING STARTS As of March 2018, Tor Messenger is no longer maintained and you should NOT use...
About an hour ago I was contacted by the Dutch Government with more details about the DigiNotar...
The short version: Tor relays and bridges should upgrade to Tor 0.2.2.33 or Tor 0.2.3.4-alpha so...
The Internet Engineering Task Force (IETF), the body that sets standards for the Internet, has...
In 2015, we introduced Tor Messenger, a cross-platform chat program that aimed to be secure by...
If the Tor Project, the Tor network, and Tor Browser were to disappear, what would happen? Not only would millions of global, daily users lose access to Tor’s software, but the diverse ecosystem of privacy, security, and anti-censorship applications that rely on the Tor network would cease to function.
Tor has released 0.4.7.7, the first stable Tor release with support for congestion control. Congestion control will result in significant performance improvements in Tor, once Exit relays upgrade. Relay operators: please read!
Updates: See the Changes section for a list of changes since initial posting. After a long wait,...
Hello again, this blog post is the second issue of the Cooking with Onions series which aims to...
Tor is upgrading its relay encryption algorithm for improved security. In upcoming releases, Arti and Tor will both support a new encryption algorithm called Counter Galois Onion (CGO). CGO prevents attackers from tampering with encrypted traffic, adds forward secrecy, and brings Tor's encryption up to modern…
An increasing number of people are asking us about the recent paper coming out of Inria in...