Questions tagged [deanonymization]

De-anonymization (also spelt as deanonymization) is a strategy in data mining in which anonymous data is cross-referenced with other sources of data to re-identify the anonymous data source.

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1answer
407 views

Which one of the relay nodes need to get compromised for client de-anonymization?

Tor can't protect against traffic confirmation (also known as end-to-end correlation), where an attacker tries to confirm an hypothesis by monitoring the right locations in the network and then doing ...
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1answer
69 views

Does USB modems create a danger when used on routers?

I'm not sure if this is in the right place but it does have to do with exploits and ultimately de-anonymizing Tor. Are USB internet modems dangerous to use, with and without a router (DD-WRT)? I'm ...
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Can partially predictable behavior deanonymize a Tor user?

Let's say a Tor user has a history of routinely accessing websites A, B, and C, and that this history is established before he began using Tor. Let's say some adversary, like his ISP or a government ...
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1answer
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Can heartbleed be used to de-anonymize you by browsing a site via Tor?

Assuming that you have information in your ram that would identify who you are, and you are using the Tor browser but your pc is running a vulnerable version of openssl, could your memory be dumped by ...
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2answers
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Can the relay I connect to expose me?

The way I understand Tor is that the "client" (say me) connects to a relay, and that relay is the only computer they connect to from then on. If that is the case, why can't a hostile relay simply run ...
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2answers
468 views

ip-check.info - Unknown IP, possibly your own, uncovered by FTP

I checked with http://ip-check.info and I got this warning. When I did tested with that site, this never occurred until now. I didn't install any other addons or plugins in Tor Browser Bundle. I only ...
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1answer
192 views

Flash Player usage

Just started with Tor yesterday. I understand downloading and using Tor means no longer having Flash Player and the reasons why, BUT...when using online sites like PicMonkey (which I use for my work) ...
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1answer
83 views

Is it possible to link different uses of Tor by using normal changes to the browser (such as bookmarks)?

Is it possible to link different Tor identies (uses of Tor at different times) by using the Bookmarks, settings of various components of the browser, or cosmetic alterations to the toolbars? It has ...
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1answer
408 views

Is Google de-anonymizing me?

I am a regular TBB user. I update TBB as and when updates are available, with at most a delay of a few days. The bundled addons are also updated regularly. I also have the standalone Vidalia package ...
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1answer
145 views

Does hosting a relay on the same machine as your browser improve anonymization?

For the sake of argument, let us assume that all traffic is monitored and recorded at your ISP. Would hosting a Tor relay on the same machine that you are running Tor Browser Bundle protect you from ...
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1answer
355 views

If all network traffic is being monitored, will Tor still be effective at anonymization?

During a panel at the 2014 SXSW conference, Julian Assange (founder of Wikileaks) stated "The ability to surveil everyone on the planet is almost there and, arguably, will be there in the next couple ...
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How can I check if a Firefox plugin is a deanonymization threat?

There are many useful Firefox plugins and extensions that are compatible with the Tor Browser Bundle - how do I know which ones are safe to install without compromising my Tor anonymization?
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298 views

Private RSA keys on a Tor hosting

I'm wondering how Tor hosting providers handles using private RSA keys of their users so they can use their own .onion names. As I understand, when I have a private RSA key and I send this private ...
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2answers
137 views

How vulnerable would Tor users be if a single entity controlled a large number of nodes?

There 4626 relays online. What is stopping a single entity from adding, say, 9000 relays to the network around the world so they can occasionally watch bits of the network? If the cost of this is ...
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1answer
5k views

Is it dangerous to watch videos full screen on Tor Browser?

When watching HTML5 videos on Tor Browser, is it dangerous to go full screen? Can this be used to find out my screen resolution? Especially wondering this for Youtube.
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4answers
998 views

Does it make sense to use Tor on a vanilla Android phone?

I use Tor on Android because it's easily configurable for Duck Duck Go and Twitter with Orbot. It's possible to use it with a stable Firefox version too but I can't because I use the beta version. On ...
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2answers
2k views

Is it posible to choose what entry node you want to use?

If I know of an entry node that I know the device running it is not malicious or being watched, do I have the ability to only use that as an entry point? And would this be potentially more secure than ...
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4answers
2k views

How safe are Tor users?

Given that Silk Road was just shut down, an article was published stating that: Tor Can't Always Keep You Safe; Just Ask Silk Road ... careful traffic monitoring and a little math you can figure ...
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2answers
512 views

How can I protect myself against GCHQ's attempts to de-anonymise me?

Given the latest revelations about GCHQ's methods to de-anonymise Tor users, how can I keep myself safe? From the document: We will never be able to de-anonymize all Tor users all the time [but] ...
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3answers
2k views

Is it known if Tor communication deanonymization played role in Ross Ulbricht arrestment and Silk Road store takedown?

On October 2, 2013 Ross William Ulbricht was identified by FBI as the Silk Road black market website owner and was arrested. Silk Road was operated as a hidden service on the Tor network. See also: ...
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2answers
1k views

Does Tor insert random delays or perform packet re-ordering to make the discovery of the communication path harder?

If an attacker can observe the Tor user, and the website being visited, it is possible to correlate the traffic by looking at time and size distributions of the communication. Techniques such as ...
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How strong is the anonymity of a hidden service compared to an average Tor client? How much easier is it to learn the Hidden Service's IP address?

Another way of putting this: How hard would it be to de-anonymize a hidden service? By "de-anonymize" I mean revealing the IP address of whatever server the hidden service is hosted on. Of course, ...

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