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Questions tagged [deanonymization]

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How can someone using public wifi be deanonymized?

Say someone wants to send a document overseas while living in a hostile country. He uses tor over public wifi. What are some ways he can be tracked if he uses a burner laptop and public wifi? Few ways ...
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Can voice analysis be used to determine if voice samples converted in two different ways are from the same person?

Suppose we have two voice samples, A and B, which are converted from the same person's voice into different voices respectively by a voice changer. In addition, let us assume that the voice conversion ...
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2 votes
2 answers
231 views

Feasability of deanonymizing commercially available advertiser data

Yesterday, Msgr. Jeffrey Burrill of the U.S Council of Catholic Bishops resigned because an investigation by Pillar, a Catholic newsletter, alleged that he had used Grindr to find hookups. Fairly ...
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1 vote
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Nym Perfect Forward Secrecy

I recently heard about the Nym mixnet and am researching it and the Sphinx packet format. So far it looks promising, but there is one thing I'm unsure of. Networks like Tor use ephemeral keys to limit ...
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0 votes
1 answer
398 views

Is it possible to detect a Telegram user by sniffing traffic?

Here's the article from the Belarusian website http://dev.by, it is an interview with a former member of dictator Lukashenko band (so-called Chief Organized Crime and Corruption Fighting Directorate). ...
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Could an OS or app store and send my old IP after I start using a VPN?

If I connect to a VPN, go to some websites, post something or browse something, is it possible for my OS (Windows 10) in this case to: Store my IP before I connected to the VPN, say "old IP"...
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2 votes
1 answer
364 views

Hiding Tor traffic to prevent deanonymization

I am trying to figure out what is the best way to hide Tor traffic in order to improve anonymity. While Tor is pretty good at hiding users’ IP addresses, its traffic stands out. This can be ...
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1 vote
1 answer
812 views

Can ISP deanonymize Telegram public channel creators?

In a Telegram public channel, all messages are public, send by the channel creators and contain a timestamp. Suppose I am an ISP. Can I analyse the traffic of all my clients and decide if they are ...
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9 votes
2 answers
1k views

How can malware discover the real IP of a TAILS user?

The FBI recently used a 0day exploit to hack a TAILS user and expose their real IP. I am interested in how they could have managed to obtain the user's real public IP after compromising the machine. ...
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8 votes
2 answers
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Can DeepCorr's correlation technique de-anonymize all Tor users?

https://people.cs.umass.edu/~amir/papers/CCS18-DeepCorr.pdf https://www.youtube.com/watch?v=_OKLtKgEn4k I have some questions about this "Deepcorr". Does "DeepCorr" really work that good? They say ...
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Can global adversaries 'de-anonymize' any Tor user in a day?

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 it got to its conclusions about 'de-anonymize' '...
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85 votes
5 answers
16k views

Is changing pitch enough for anonymizing a person's voice?

In every TV program where there's a person that wants to remain anonymous, they change their voice in a way that to me sounds like a simple increase or decrease in pitch (frequencies). What I'm ...
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2 answers
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What is the relationship between cookies and anonymity?

If you are using a vpn for anonymity you can allow cookies when you surf the internet but you must delete them once you close the browser to get complete anonymity. Is this correct? Or is it that ...
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2 votes
3 answers
1k views

Anonymizing IP addresses using (sha) hashes; how to circumvent rainbow table attacks?

Under GDPR, IP addresses are personal data. I have no need to trace back IP to specific users, but I would like to limit downloads to one per IP.* I do not want to store plain IPs. My first solution ...
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3 votes
1 answer
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Attacks on decentralised networks by running a fleet of nodes with modified software

At least some decentralised networks purported to provide anonymity are vulnerable to this attack: the original software is modified to allow tracking/logging/whatever, and a large amount of nodes ...
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4 answers
358 views

Why it bothers if someone can de-anonymize anonymous network (like Tor)?

So we all know that NSA has the ability to track down Tor, I2P and all those anonymous networks. I know it's a piece of old news, but the question always shows up in my mind. Which is why bother it? I ...
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0 votes
1 answer
132 views

GDPR data minimisation session cookies

I have a research study being run. Participants are asked to; Fill out a consent form (contains personal information as per GDPR) Complete a questionnaire. My hopes was that the questionnaire ...
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2 votes
2 answers
192 views

Does accessing a personally owned Tor node (that only you ever visit) over the Tor network break anonymity?

Does accessing a personally owned Tor node (that only you ever visit) over the Tor network break anonymity? I read from a long guide by Whonix on how to properly use Tor that I shouldn't ever access ...
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Do VPNs have upstream ISPs that log traffic (making VPN claims of having strict no-log policies pointless)? [duplicate]

Most VPNs claim to adhere to a strict no-log policy, but these claims are typically unproven and/or even downright false. For instance, if the VPN says they collect absolutely no logs, how will they ...
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0 votes
1 answer
445 views

Deanonimizing VPN/tor traffic [duplicate]

What a VPN does is take the encrypted traffic from the client, decrypt it and forward it to the server, while tor bounces the traffic in multiple nodes decrypting a layer at each node. I have some ...
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2 votes
1 answer
79 views

Can you serve up special content to an end-user based on IP or other identifiable data?

Is it possible to serve up specific content to an end-user? For example, I know your IP address, and other device information. Can I use that to serve up certain search results on a search engine, ...
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2 votes
1 answer
163 views

Identify anonymous mobile phone user by network participants

I have wondered this for quite some time but have not found any references. In the TV series "The wire" they use disposable prepaid mobile phones as a counter-surveillance technique. However if ...
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0 votes
1 answer
259 views

Are VPN users identifiable by matching their connection to the VPN server?

Given a nation-state has full access to the logs of the ISPs operating on its territory and given it knows that a certain activity has been conducted by a user from its territory, can they do the ...
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1 vote
1 answer
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are some IP whois capable of going beyond proxies?

I received a suspicious email (suspicious body) coming from a legit person. The headers always show the legit adress as if the person in question has been hacked. But I wanted to go further and ...
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4 votes
1 answer
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Accessing over a VPN both sites that know your real identity and sites you want to stay private from

Goal 1: access certain "anonymous" sites that you don't want to provide your real identity, IP or location to. Goal 2: access "regular" sites that do require or have your real identity, such as your ...
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6 votes
2 answers
198 views

What category of anonymity do onion routing and blockchains afford?

My understanding is that a strict definition of anonymity means that defeating the security mechanism is logically impossible or mathematically infeasible, and therefore so is deducing the identity. (...
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1 vote
1 answer
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Break anonymity in a Kippo honeypot

I've installed a Kippo honeypot on my server and I wanted to know if there are some tools I can launch to collect more information about the cracker. I want more information to be able to start some ...
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1 vote
0 answers
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How to release a safe anonymous social network graph (raw data)?

There are multiple papers published by Arvind and Vitaly (De-anonymising social network) and other papers about de-anonymising social networks. In short, they used a network graph to deanonymise an ...
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1 vote
2 answers
148 views

Deanonymising social networks

I've come across this paper about "De-anonymizing Social Networks". The goal is to use Flickr network to de-anonymise Twitter's anonymous network, but the experiment section doesn't seem to ...
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-1 votes
1 answer
129 views

How does tracking work? [closed]

Imagine I create a machine (laptop maybe) in which I don't use a browser, I just perfom an attack and use macchanger, VPN or maybe proxychains. And I'm on an open wifi network. The question is how do ...
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1 vote
2 answers
593 views

Tor Hidden Service In-Depth Questions

I've recently learned much more about Tor hidden service, thanks to this post, and its answers. But I am still wondering about a few small tid-bits... As said in the linked post: Q: If a hidden ...
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2 votes
1 answer
646 views

Few Questions About Tor Hidden Services

According to this, when you connect to a hidden service using tor you go through 6 nodes instead of 3... why? From what I understand when you connect to a website that is not a hidden service you ...
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0 votes
2 answers
240 views

GPS working and anonymity

Does gps make any log, which is store in there positioning system ? Even if gps is off in our smart phone and we don't have any sim card in it and our internet is off too still is their any chance to ...
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6 votes
2 answers
368 views

How can intelligence services be so sure that Russia is the culprit? [closed]

Recently, US and non-US media has been publishing many articles regarding Russia being involved in the "Podesta-hack" or even accusing Putin of being directly responsible. For example: "Putin ...
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2 answers
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How many ways are out there to know IP of client from website?

If we are behind a VPN, then in how many ways we can try to find the ip address of the client? here are some that i know - Torrents (most people say torrent expose real IP) - Javascript (but how can ...
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1 vote
2 answers
213 views

Deanonymizing Tor circuit by having access to all the circuit's relays

Given you have access to THE NETWORKING (not the devices, just their networking, as if you were their ISP) of all the 3 relays that a circuit is using, could you time-correlate all the nodes of the ...
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