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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38 views

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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131 views

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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Is it safe to allow html5 canvas in Tor in an anonymous OS?

I know that html5 canvas can be used to fingerprint my browser. But sometimes I have to allow canvas, for example, when uploading a image to twitter. If so, is an anonymous OS like Whonix helpful for ...
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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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182 views

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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141 views

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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413 views

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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133 views

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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101 views

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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493 views

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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150 views

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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237 views

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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203 views

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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1answer
77 views

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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199 views

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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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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898 views

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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927 views

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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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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342 views

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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3answers
503 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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79 views

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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2answers
201 views

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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125 views

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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350 views

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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262 views

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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84 views

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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2answers
524 views

Are .onion addresses leak-proof?

I want to perform tasks other than web browsing over Tor, for example XMPP chat. I don't want to have to rely on a Tor implementation in the applications themselves, but I do want to avoid leaking my ...
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561 views

Attackers this ways tryed deanonimyze my TOR onion site and get private informations.How to protect our self using system isolation? [closed]

In this forum many user talk about virtualbox,vmware, to isolate the server from the system.And Protecting Hidden services .onion private key from your host its better to store outside from that ...
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159 views

Can a HSDir see visited onion url's? [duplicate]

Is it possible that a HSDir can see visited onion urls? If I make a onion website and my friend visits it could there be a way that someone can capture the url he used? (the .onion url).
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121 views

Whonix Workstation Country Code

Should I be concerned about the timezones in my custom whonix workstations (arch, ubuntu, kali)? Installation mediums always ask for my country code. I usually pick a random one. When building ...
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1k views

Do vulnerabilities exist in Tor Browser Bundle

This site: http://www.hongkiat.com/blog/do-donts-tor-network/ claims that Tor Browser Bundle should not be used to protect one’s online privacy and security. FBI’s recent takedown of Freedom ...
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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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220 views

Does cross-browser fingreprinting work in Tor Browser?

https://thehackernews.com/2017/02/cross-browser-tracking.html describes a a cross-browser fingerprinting technique. What can Tor Browser can do to defeat this?
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131 views

Tracking users via google APIs?

if i open website1.com in one tab and it uses some google analytics or google fonts api, then open website2.org in another tab which also uses google products... do the google domains see different ...
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156 views

Was I attacked or my identity found out?

I am new to TOR and not very tech savvy. While using TOR to set up an email account, I found that I had to constantly to solve puzzles for verification. Sometimes websites would not allow me access, ...
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595 views

Can I prevent Tor from building single-hop circuits?

Despite the manual's declared defaults [below], Onion Circuits shows single hop circuits being "Built" by Tor. So I have edited my torrc to specifically include ExcludeSingleHopRelays 1 and ...
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432 views

Isn't it easy to de-anonymize users this way?

Instead of looking at a portion of the network, find out the guard of a targeted user, then find which middle node that guard connects to, then which exit is connected to that middle node, then take ...
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43 views

Alterations to Tor and finding a way to run tests and simulations [duplicate]

For one of my assignments I have to conduct a research paper. I decided to propose a solution vulnerabilities TOR has with traffic analysis. I'm suggesting adding in random delays,random hop count ...
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What do you make of the news that researchers had found at least 110 Tor nodes that were spying in on network traffic or were honeypots?

URLS for news www.zdnet.com/article/over-100-spying-malicious-tor-nodes-discovered/ www.scmagazineuk.com/security-researchers-discover-over-100-suspicious-tor-nodes-snooping-on-traffic/article/...
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105 views

Anonymity considerations of HTTP referer field [duplicate]

I was just reading about security risks associated with the referrer field and the ticket generated on Tor to probably disable it for anonymity. But I don't really understand the security risks. I ...