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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Can I use other programs with Tor? What information is relayed through Tor?

Can I for example open up my notetaking app and start writing notes while Tor is running? Is this information somehow relayed through the browser in any way? (I know for example window position, ...
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Isn't deanonymization by having the entry and exit nodes in the same country a threat?

Consider the following scenario. I live in a repressive state A. On the other hand, the citizens of state A operate many Tor nodes. I am trying to call for demonstrations and criticize policies on ...
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Does clicking on "new circuit for this site" too often risk deanonymization?

I have a (probably stupid) quirk/OCB: When I want my traffic to a website to be particularly hard to backtrace, I click dozens of times on the new circuit for this site button (sometimes for >15 ...
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How to get an anonymous phone number to make an account on Tor?

I am involved in some activism work against a powerful group that is known to use threats against its opponents. As a result, many activists have been silenced and quit working against said powerful ...
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Can hidden services be de-anonymized with little or considerable control of relay nodes and /or by network monitoring?

There are multiple papers detailing the de-anonymization approaches. But what i have observed is that (1) 100% de-anonymization may not be possible (2) Even if its possible, one need to control lot ...
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Has anyone attempted to deanonymze users using the Tor network?

Some people might benefit if they can deanonymze Tor users - law enforcement could catch criminals faster if they had control of the Tor network. Hackers also might want to deanonymze Tor users. But ...
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Tor browser's default theme uses os's color scheme. Is it fine? Can this be used for fingerprinting?

Tor browser's default theme uses os's color scheme. Just like firefox. If os is set to dark grey colors lets say, tor uses the same palette. If os is set to shades of black, tor uses the same palette ...
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Can captchas expose hidden services? And how?

I heard that the server location of the Silk Road hidden service was caught by employing an IP leak caused by a Captcha prompt on the site's login page. That got me a little confused. Aren't captchas ...
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Can Tor browser redirect extension trafic?

While extensions can deanonymize you in many ways, one of the worst ways they can expose you is if they connect to the internet but not over the Tor network and reveal your IP address. So would it ...
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How do onion services host anonymous chatrooms and what level of anonymity is present when using one?

There are many onion services such as Talk to John Doe and OnionChat which have anonymous chatrooms. How do they connect random users and let them chat with each other. How anonymous are users when ...
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What's so bad about using Tor from home?

If Tor browser anonymizes our IP address, why go to extra lengths to not use Tor from home? What added benefit does going to a public wi-fi hotspot even provide a Tor user? Does it simply defend ...
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Does Tor Browser get a unique fingerprint with JavaScript, even if HTML5 Canvas data is blocked (amiunique.org)?

Tor Browser settings Security slider is on "Safest" JavaScript is enabled (otherwise no Canvas fingerprint possible by site) "Extract Canvas Data" is blocked: Issue amiunique....
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Device spoofing, instead of MAC address spoofing

Besides MAC address spoofing, how can device name, device brand, and device type spoofing (randomization?) be done on a Tails (windows) system, so that WLAN hotspot hosts see different information ...
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Why does the TOR browser bundle disclose my location

All sites visited using the TOR browser bundle correctly identify the country from where I'm accessing the internet. Why is that and how can I prevent this?
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Tor deanonymization via ISPs

We known that an adversary can deanonymize a user (on clearnet) if it controls both the guard and the exit node. But is that neccesary? We know that the NSA gets huge amounts of data from the internet....
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Increase max allowable delay

1 attack is timing correlation attack. How can I increase the max allowable delay for requests between my computer, guard nodes, exit nodes, website?
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Can legit antivirus spying on user when ''accessibility-services'' in Tor are turned off and onion routing using?

I use one of the most popular antivirus program for Windows for months and some days ago I just noticed that it at least uses firewall and ''internet security and protection'' settings turned on and ...
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Can global adversaries 'de-anonymize' any TOR user in a day?

https://security.stackexchange.com/questions/48502/tor-traffic-correlation-attacks-by-global-adversaries I know what traffic correlation attack is but I find it hard to understand this article or how ...
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JUMPSHOT/AVAST and TOR

I guess that by now some of you have seen Vice's article on AVAST and how they are basically mining everything going on in your browsers. If not you can read and be afraid here: https://www.vice.com/...
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Can Tor be relied on as a trustless service? And more

My question is going to be a bit amateurish (bear with me please) but I have read a fair bit of this: https://gitweb.torproject.org/torspec.git/tree/dir-spec.txt [1] And it didn't answer it. My ...
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How can deanonymize me? vpn tor vpn

I want to use connection vpn1 - tor - vpn2, where vpn1 and vpn2 I will buy with openvpn connection more likely, entry node of tor will be on my raspberry pi (in my home) with disabled logs, I'm going ...
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Why guard and exit nodes are allowed to be from same country?

If one's connection is corrupted when your guard and exit node is the same person (that can then analyze your traffic and based on that figure out your IP), why does Tor allow them to be from the same ...
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Is tor browser and anon surf both the same?

I am very new to using proxy chains, and since I was worried about messing up while setting up a proper proxy chain I have been using tor browser. Is using tor browser same as using proxy chain using ...
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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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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 ...
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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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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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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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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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How this website see Real location?

The website xvideos.com see your real location ( in left top side the icon of your real locations it's showed ) even with Safest Security Level Why ?
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Protect against pseudonymous identity activity on a forum and traffic correlation?

I use Tor when I need to use a pseudonymous account on a forum. A observer can see when I connect to Tor and correlate with activity of the account from the forum How I can protect against this ?
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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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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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Why do bridges hide that I am using Tor?

I read that using bridges lets you access websites that (soft)block Tor (e.g. Google) and it really does, but the bridge is the first node in your circuit so why don't website block based on the exit ...
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Jquery and bootstrap risk for Tor Hidden service

If you make a tor hidden service which has scripts and CSS (the whole core) of bootstrap and the whole Jquery library in the server (and included in the pages). Can you deanonymize the tor hidden ...
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Clearing the state of rendezvous client provides privacy improvement?

Context. In my quest on figuring out if I must use NEWNYM signal or stream isolation is enough for me I dig into the code and narrowed down the possible privacy improvements that NEWNYM can bring over ...
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Clearing the client side DNS cache provides privacy improvement?

Context. In my quest on figuring out if I must use NEWNYM signal or stream isolation is enough for me I dig into the code and narrowed down the possible privacy improvements that NEWNYM can bring over ...
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3 votes
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Signal NEWNYM vs Stream isolation

Resources. This answer explains well what happens at NEWNYM request, and I also dig into the code, yet my lack of knowledge on low level networking prevents me to make a proper design decision if ...
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Download large files over tor?

If I download a large (3GB) file using torsocks like so: torsocks wget http://website.com/largefile.txt Will tor change the Exit IP every x minutes for the duration of the download or will it ...
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2 votes
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Checking for DNS leak on TOR router

I have configured a router to route all traffic from an internal interface through the TOR network. Therefore, every client that uses this router as its Gateway will access the internet through TOR, ...
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3 answers
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Is this setup to send anonymous email secure?

I am working for a company that engages in unethical business practices with a customer. I need to send an anonymous email to the labor board and the customer. I need to keep my identity a secret, but ...
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Hostname Hacking

How do I protect against this vulnerability? https://mascherari.press/dark-web-diaries-hostname-hacking/ > torify curl -H 'Host: localhost' http://myonionaddress.onion It reveals another onion ...
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Why people advice to use Riseup.net and SecurityKISS VPN? [closed]

As I see here people always advice to use Riseup.net VPN or SecurityKISS. I just want to ask why people here advice soo much to use that 2 vpns and what are their pros compared to other VPN's. As I ...
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3 answers
529 views

Does it matter when you connect to TOR?

Does it matter when you connect to TOR Network ? 2 cases: 1. You connect to TOR after 10 minutes after you connect to your real facebook/bank/email account. Is it harmfull to connect to TOR as like ...
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Double connection to Tor from one IP

Is there any security issues or deanonymise techniques when a user use Tor from his tablet and from his Notebook at same moment ? Same question "Is there any security issues or deanonymise ...
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Should use same ISP for Tor and Real life?

Should I use same ISP for connecting to Tor and for connecting to my real life sites like email and other sites where my Last Name and First Name figure ? I know about VPNs, Bridges and other things ...
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Hacking Tor through RAM

Is it possible to identify the middle router by extracting data from the RAM of the exit router?
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A server behind a physical Tor gateway to hide its location

Is is technically possible to run a server, that is accessible only through Tor via SSH, and be able to hide its physical location from an adversary who happens to gain a root access? In my world-...
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Clarification of Risks to Anonymity [closed]

My goal is to get a clear sense of what is required to maintain anonymity. In a sense I'm mapping the flow of traffic in my head and trying to understand how certain traffic might interact in ways ...
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Using bridges don't hide using TOR, is it okay? [closed]

Good day, Using bridges don't hide using TOR, is it okay? If the question is stupid, sorry) To check it - whoer helped. If it's normal situation, please, advise smth. that can hide it absolutely, ...
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