Questions tagged [deanonymization]
The deanonymization tag has no usage guidance.
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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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57 views
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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2answers
184 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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62 views
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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44 views
In which case would one use the Modrian algorithm for (minimal) k-anonymization over SQL?
The Modrian algorithm has no knowledge of the inherent hierarchies and structures of data. By using manual SQL one could do the following mapping:
Berlin, Hamburg, Munich -> Germany
London, ...
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1answer
250 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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1answer
87 views
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"...
2
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1answer
287 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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1answer
594 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 ...
8
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2answers
856 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. ...
8
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2answers
686 views
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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1answer
347 views
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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5answers
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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2answers
184 views
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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3answers
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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0answers
84 views
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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4answers
303 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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1answer
104 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 ...
2
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2answers
157 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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0answers
50 views
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 ...
0
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1answer
390 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 ...
2
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1answer
57 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, ...
2
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1answer
133 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 ...
0
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1answer
219 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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1answer
107 views
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 ...
4
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1answer
221 views
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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2answers
168 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. (...
1
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1answer
144 views
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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0answers
87 views
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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2answers
118 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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1answer
108 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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2answers
543 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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1answer
564 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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2answers
201 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 ...
6
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2answers
344 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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2answers
178 views
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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2answers
178 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 ...
