7 votes
Accepted

Most common TOR browser configuration - panopticlick

This approach of trying to shoehorn yourself into the middle of the bellcurve is ultimately destined to fail. Part of the problem is that you seem to be viewing each part of the various things they ...
cacahuatl's user avatar
  • 10.9k
4 votes

how to send email anonymous from Gmail

If you want to stay anonymous, you need to think about every step when using your mail provider. Registering your account Accessing your mail account Reading your mails Writing your mails You have ...
Jens Kubieziel's user avatar
  • 8,561
4 votes

how to send email anonymous from Gmail

You can't. If you want to stay anonymous, you cannot send an email through Gmail as you will lose your anonymity. One of the main things not to do while using Tor is to use Google services since your ...
Swangie's user avatar
  • 984
4 votes

Nature of HTML5 Canvas fingerprinting

Yes, A and B could collude and identify the two users as being the same person with a substantial certitude1. If one of them has access to identifying information (IP address, name, email, etc.), the ...
Yuriko's user avatar
  • 460
3 votes
Accepted

Why does Tor Browser screen size vary across monitors?

Screen sizes differ between laptops, a hard set screensize would result on a browser that was too small for users on one system or too large to even display on other systems. Instead it picks a size ...
cacahuatl's user avatar
  • 10.9k
2 votes

Random user agent in Tor Browser

All Tor browsers has standardized user agent which helps to make Tor users to be less distinguishable from each other. By changing your user agent periodically, you are making yourself more unique ...
m894v5n74v539nm8's user avatar
2 votes

Tails added Ublock Origin is this as bad as it looks?

No. This is no different from the fact that Tails used to ship with AdBlock Plus, it's just a different extension. Yes, it's fingerprintable but they can only tell you're using Tails. No, it doesn'...
cacahuatl's user avatar
  • 10.9k
2 votes
Accepted

Is there a list of API's that TOR browser blocks

Tor doesn't block APIs (this is virtually impossible and probably not what you want to do), Tor blocks web pages which addresses match a given check on a blacklist or entire types of content like ...
Birb's user avatar
  • 310
2 votes

Tor vs Brave - which is technically more effective to hinder user tracking - fingerprint generalization or randomization?

I think you're not going to get a lot of good answers because no one has done a study comparing the two in detail and AFAIK that hasn't been done yet. If we think about it, The Tor Project wants ...
elmerjfudd's user avatar
  • 2,264
2 votes

Is manually resizing the Tor window dangerous?

Yes, it is harmful for the duration of the window at that size. Specifically, manually resizing it will create a very unique fingerprint for your window size, which will persist until Tor Browser is ...
cacahuatl's user avatar
  • 10.9k
1 vote
Accepted

Does Tor Browser get a unique fingerprint with JavaScript, even if HTML5 Canvas data is blocked (amiunique.org)?

Last year Tor enabled a feature which returns randomized image data when a website attempts to extract an image from the canvas. This is better seen by looking at the image on https://browserleaks.com/...
Steve's user avatar
  • 3,112
1 vote

Resolution to prevent fingerprinting 1 pixel off?

Yes, correct, it should be some nicely round number. Sadly, there are still some bugs in the implementation. The ones I've observed myself are: high-DPI screens can be at fault (issue 40081) zooming (...
Peter Gerber's user avatar
  • 1,342
1 vote

Resolution to prevent fingerprinting 1 pixel off?

The reason here is obvious: your OS did the window resize "to fit on screen"
Alexey Vesnin's user avatar
  • 5,900
1 vote

Tor browser's default theme uses os's color scheme. Is it fine? Can this be used for fingerprinting?

No, even if the user is using dark mode, light mode, or some other theme (system theme or app theme), this cannot be used to fingerprint the user if they are using the Tor browser. Detecting dark mode ...
Swangie's user avatar
  • 984
1 vote

Does Firefox in VM have a common enough fingerprint so I don't need tor browser?

There are several online tools that allow you to test the fingerprint of Tor Browser and other browsers. For example, the Electronic Frontier Foundation's panopticlick.eff.org. Using these tools, it ...
Superbee's user avatar
  • 171
1 vote
Accepted

Brave Browser's Bundled Tor reveals browser through search, is this a privacy issue?

I found that Tor exit nodes can't see the full path of a URL, only the domain (and subdomain if one is used). The full path including the referrer URL in this case is encrypted. See this answer on ...
Philip Kirkbride's user avatar
1 vote

Tails v3.7 using VM = user agent Windows 7?

All Tor Browser users have the same User Agent. That user agents claims that you are using Windows even if you are not. You aren't leaking anything.
pastly's user avatar
  • 532
1 vote

Does Tor bundle discards cookies from a window or only from a session?

They're discarded on a per-session basis. Using the 'New Tor Circuit for this Site' will only cause Tor Browser to use a new circuit for the site, it will not clear any other information. That is ...
cacahuatl's user avatar
  • 10.9k
1 vote
Accepted

Canvas fingerprinting: default to never for all websites

"Since it is clear that one does not want canvas fingerprinting..." Actually, it's not. The canvas fingerprinting warning happens when a site tries to read the contents of a <canvas> element. ...
cacahuatl's user avatar
  • 10.9k
1 vote

Should I change the timezone of my laptop to UTC?

The Tor daemon doesn't leak timezone, if it did it would split users anonymity sets. Relays shouldn't be able to distinguish sets of users, this would allow them to and would break some of the ...
cacahuatl's user avatar
  • 10.9k
1 vote
Accepted

Are there Tor modifications that do NOT expose uniqueness?

It seems that using a simple appearance add-on will not increase the uniqueness of your browser fingerprint (unless it weirdly modified any of the items below). No, moving those UI items shouldn't ...
N10's user avatar
  • 96
1 vote

Knowing all differences between Tor browser and normal Firefox to foil Tor detection techniques

how we can modify Tor browser to hide these footprints and look like a normal firefox user? You cannot, some of Tor Browsers changes are hard coded patches. Trying to undo some of them by ...
cacahuatl's user avatar
  • 10.9k
1 vote

Have Tor appear to be a different browser

You can run but you can't hide. Changing your user agent won't make you fool websites into thinking that you're using another browser. You really shouldn't do that, it will only make you stand out. ...
Etienne Martin's user avatar
1 vote

Have Tor appear to be a different browser

During my research with Tor Browser and Tails version Fingerprinting I found out that there are many things that differ. You can for example request resource URL:s and check the error message returned....
Jonas Lejon's user avatar
1 vote

How can I check if a Firefox plugin is a deanonymization threat?

Some addons can be extremely helpful, f.ex. RequestPolicy. As of https://superuser.com/questions/137931/can-websites-see-my-firefox-addons, you need to distinguish plugins (Java, Flash, etc) and ...
serv-inc's user avatar
  • 387

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