There are almost certainly technical weaknesses in Tor and how it is used as well. So, ironically, by attempting to be anonymous on the Internet you may well put yourself directly in the NSA’s spotlight. Earlier this year it was revealed that the NSA’s XKeyScore program is likely to place Internet users who use Tor, or who visit its website to learn about it, on a list of extremists. In fact, using Tor can actually attract interest from law enforcement and security agencies.
It’s believed that Silk Road 2.0 was compromised by a Homeland Security Investigations undercover agent rather than a technical weakness in the Tor system, but the arrest highlights the fact that using Tor does not guarantee anonymity. Perhaps the most obvious illustration of this is the seizure of the Silk Road 2.0 drugs marketplace and the arrest of a San Francisco man thought to be behind the site, which operated as a hidden Tor service. (Anyone can set one up.) NSA documents leaked in 2013 describe Tor as “… the king of high secure, low latency Internet Anonymity,” adding that …”there are no contenders for the throne in waiting.” There are thousands of Tor relays around the world and millions of people rely on them. Using Tor “rendezvous points” it is also possible to offer a “hidden service” such as an anonymous website whose owners and location can’t be traced.
Only the last, exit node knows the ultimate destination it decrypts the traffic as it leaves the Tor network. Traffic is encrypted each time it goes from one relay to the next, and any given relay only knows where it got the traffic from and its next stop.
Tor works by sending traffic from its source to its destination via a random series of Tor relays around the world. It is used by people living under restrictive regimes who want to access forbidden information or data on the Internet, whistle-blowers and dissidents who want to communicate with journalists, and anyone who wants to use the Internet without being tracked or to publish information on the Net without compromising their privacy. Naval Research Laboratory developed the system using open source technology, to protect U.S. For over a decade, people all over the world have used Tor (formerly known as the Onion Router) to protect their privacy.
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