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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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Increasing number of middle relays weakens the anonymity?

Tor nodes build encrypted TLS sessions between neighbors to multiplex circuits of users. Multiplexing helps to anonymize users (?). With an increasing number of middle relays multiplexing becomes ...
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Why does TOR not intentionally choose nodes from different countries?

I've read than if an attacker could control both entry and exit node into the tor network he could easily de-anonymize TOR users. I have also read that TOR chooses nodes at random. So my question is ...
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Excluding Entry Guard Node's Country from Exit Node?

With the way Tor works, you are tied to a fixed Entry Guard for quite a reasonable time. If you are unlucky, you might get connected to a bad Entry Guard Node owned by X. From now on, it is only a ...
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Does deanonymization only affect the current session?

Say I'm using Tor, and I make an error by, for example, logging into an account on a website. Will this deanonymization only affect my current session, since I can just restart my browser and get a ...
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De-anonymization in Tor, just a matter of time?

Simple question. Doesn't the way Tor works make a de-anonymization more likely the longer you use/run Tor? From my understanding, you are fully de-anonymized when X controls both Entry Guard Node ...
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What kinds of attack can a bridge carry out?

I have been recently doing some research on anonymity implications of using a bridge, and wrote a tool (not very well written though) for setting up a malicious bridge node. However, I am not clear ...
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How dangerous is to allow Google javascript?

I know it's dangerous to allow javascript on some website. But very often if you want to register on a website you need to type captcha. If you want to see captcha you need to allow javascript from ...
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What blog services work well on Tor

I´ve tried to create blog accounts using Tor. They always fail at some point. For example: Wordpress: the confirmation mail doesn't include the link necessary to confirm. Ghost: I registered ...
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Can high network usage be detected and prevented in Tor?

I was wondering if there is any way for Tor to detect high network usage in the context of transferring large files using a hidden service. If so, what are the default prevention steps?
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Reason behind “clearnet warning” when posting URL links on onion websites

When browsing onion websites e.g. discussion forums, quite regularly I will encounter links to clearnet http/https addresses along with an explicit Clearnet Warning along with the URL. What is ...
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Does Adding or Removing Search Engines in TB's Search Bar Affect Annonymity?

Suppose I add or remove a search engine from Tor Browser's search bar; will my anonymity be compromised? I've tried to research this by running Panopticlick before and after installing a search ...
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Tor time-size attack

What makes it impossible for spying agencies to track whom the user is communicating to by guessing to which packet coming in corresponds a packet going out, based on the very small difference in time ...
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How does the loopback provide no deanonymizing information?

On page 99 of the book "Practical Anonymity: Hiding in Plain Sight Online", there's this passage about HiddenServicePort: Generally, you would to keen the hidden service address as the loopback ...
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Track Tor circuit via ISP logs

I have some question about the very basics of tor, as this keeps bugging me now for some time: As far as I know every tor node is only aware of the ip address of the following node. For example the ...