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Questions tagged [user-tracking]

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Does Safari's "Prevent cross-site tracking" option ACTUALLY prevent determined efforts at cross-site tracking? (By, e.g. Facebook)

In other words: Does Safari's "Prevent cross-site tracking" option effectively prevent cross-site tracking? (Is it for purpose?) I though it would work; are my expectations off? Or, more ...
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32 views

I have CSRF protection implemented server side, can I safely use `SameSite=None; Secure; HttpOnly`?

We have a web service where GET is always safe and all unsafe POST requests use single-use CSRF tokens. We have some cases where cross-origin domain would need to pass us POST request with data that ...
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1answer
89 views

Is it a security concern to have a user id in a cookie?

I want to track a user who has previously logged in so that I can associate traffic behavior with their user record on our system. Does storing the user's id as a single value in a cookie cause ...
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43 views

Azure Impossible Travel

So I am trying to hammer out the best process of handling impossible travel alerts and suspicious VPN activity. In my current environment I dont have admin privileges to immediately disable user ...
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1answer
101 views

Is wiping cookies, blocking trackers and not logging in sufficient to prevent profiling?

I use Firefox as my browser. My privacy settings are strict. I block All third-party cookies, and always delete all cookies when Firefox is closed. Tracking content (in all windows); Cryptominers; ...
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1answer
105 views

Will VPN on a mobile device hide location?

I have installed a VPN on my phone from a reputable VPN provider (paid VPN service, publicly rated as top 10 globally), Can my phone location (longitude & latitude) still be traced by third-party ...
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56 views

Facebook retargeting pixel

Given a commercial website buy.com and a user with a Facebook account in facebook.com, the user has third-party cookies disabled in the browser. If a user is logged in their Facebook account and ...
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50 views

I now receive advertisements from a site used by a guest on my wifi she was on OS X I'm running LInux did they track my IP address only?

I seems a little strange that the only thing in common between me and my guest is that she was on my wifi and thus using my wan ip address, yet I am receiving advertising from a site she used. I'm ...
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1answer
115 views

Preventing facebook from recognizing me [closed]

First of all I am not a "computer person" and I'm not going to spend a year learning more about computer stuff so I don't have to ask questions here. I've searched for similar questions, and ...
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2answers
147 views

If an IP address is known, can all of its browsing activity be viewed by an outsider? [closed]

Internet service providers (ISP) can choose to have full information on the browsing activity of one of its subscribers. Can an outsider, who is not the ISP, but who simply knows someone's IP address, ...
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0answers
35 views

Why is an IP address in a different city? [duplicate]

Someone lives in city A, but their IP address from home always displays as belonging to city B, 50 miles away in the same country. Both cities are the largest in the country, so this is not about one ...
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0answers
72 views

My school said they can track what websites we visit and games we play via online learning. is this true or just a way to scare us? [duplicate]

So my teacher caught someone playing a game in my online class and warned us that they have installed a new program so they can track "everything we do using our ip address" now im quite ...
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1answer
79 views

Best way to learn every way I am tracked online? [closed]

Is there a course or resource for a person with basic networking skills to see all ways a website like FB or Google can track and identify users + how to spoof them and look natural? Not for malicious ...
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1answer
130 views

Does Opera Android track me?

I used to think that this browser is safe and does not track me. Then I did little experiment - i went to specific webpage on Opera and next day I found ads for it on Facebook app. How did it happen? ...
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3answers
6k views

Can schools track what I'm doing, even though I'm on my personal Gmail account?

My school can track my browsing when I'm at home and using the Google account they gave me, the laptop is my personal one. Is there a way that they could track what I do, even though I'm on my other ...
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2answers
354 views

Can a website track your browsing history on other websites?

I visited website B after visiting website A. Upon clicking the search bar on website B, a dropdown menu appeared containing the words I searched on website A. After clearing my browser history and ...
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1answer
208 views

Before visiting Facebook two cookies got created(fr and sb)

I have cleared all the cookies on my Chrome browser, closed the browser and opened Chrome, navigated to chrome://settings/siteData I see two new Facebook fr and sb cookies created right away, before ...
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0answers
66 views

Can Apple and Google bypass the decentralised COVID-19 tracing approach (DP-3T)?

Many thoughts have been spent on creating the decentralised, minimum-knowledge contact tracing approach DP-3T. This has been implemented in contact tracing apps of several countries, e. g. the German ...
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1answer
593 views

Can my company track my web history when Opera VPN is active?

Today I brought my personal laptop to the office. My laptop connects to the personnel wi-fi automatically (not actual intranet). To mention, my work ID and password are needed to connect this network. ...
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1answer
79 views

Find information about host/user by his public key?

Say, I was reviewing my log files and noticed that someone with certain public key tried to connect to my server and got access denied (because his public key is not in my authorized_keys file). May ...
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1answer
129 views

Which approach is technically more effective to hinder user tracking - fingerprint generalization or randomization?

Tor's approach to countering fingerprinting is to make as many users "appear the same" as possible. Let us call this "generalization". While Brave tries to randomize all fingerprints of each and every ...
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1answer
166 views

Why certain sites don't send newsletters to "anonymous" mail addresses?

I use an "anonymous" mail address (cock.li provider in my case). I have found that mainstream news sites in particular don't send their newsletters to such an addresses. It looks like the domains ...
4
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1answer
473 views

Can a PDF embed a tracking image?

I know that PDFs can contain embedded images and Javascript. Can a PDF contain something that tracks you? For instance, can it contain a remote image that, when the PDF is opened, will fetch that ...
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1answer
59 views

Privacy: why do I have to delete an account instead of simply no longer using it?

I try to avoid big internet companies (big tech) and try to find decentralized and/or open source alternatives. I use a password manager with unique usernames and generated, complex passwords. A lot ...
4
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1answer
636 views

Is there a way to bypass click-tracking links in emails?

Most newsletters that I receive use mass-mailing software that rewrites links to add tracking information. That is, instead of www.google.com, the email will point to something like links.somecompany....
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2answers
195 views

How does neighbor know when WiFi/Internet is used?

A neighbor, somehow, knows, when I connect to the Internet - and begins shooting something at my home (ice pellets). Is there a way to prevent people from seeing my SSID/internet connection? We are ...
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1answer
152 views

How did a website make an accurate assumption of my identity in incognito mode? [duplicate]

What piece of information can websites retrieve that would allow for later identification without cookies? Intro Out of interest I jumped into the rabbit hole of online marketing scams. The site I ...
3
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1answer
158 views

Can a system administrator check if their website is being scraped by a headless browser?

A recent article on scraping tiktok and Facebook states: On the one hand running selenium headlessly is perfect to keep your machine “cool”, however it may help get you flagged as a scraper. System ...
86
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5answers
18k views

How does Facebook track your browsing without third party cookies?

Facebook has served me an ad for a website I visited earlier in the day. I have third party cookies disabled and have not followed any links between the website and Facebook (links which could contain ...
34
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1answer
23k views

How do social media apps notify you when someone else takes a screenshot of your profile?

Social media apps like snapchat, instagram, viber, etc notify you if someone takes a screenshot of your profile, chat, conversation, story, etc. How does the app find out that you are taking a ...
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0answers
86 views

What information about me do online stores get via my credit card? [duplicate]

I found the exact same question about physical stores: What information about me do stores get via my credit card? Though I am interested in online stores! Are there big difference between PHYSICAL ...
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1answer
89 views

What additional methods for user tracking are there? [duplicate]

I was getting interested in data privacy and looked up how users are tracked on the internet to connect the different traces to a single user. I found this: In addition to regular cookies, pixel ...
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2answers
158 views

Anonymity: standardization or randomization?

I wonder if it's better to standardize or randomize data for anonymity. For example, think of browser fingerprinting. If you standardize every parameter, you would have all browsers returning the same ...
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3answers
6k views

Preventing tracking pixels on Mozilla Thunderbird

Is there a way to prevent loading of tracking pixels on Mozilla Thunderbird ? I know there's a way to prevent loading images by default but I'd like to be able to load images without having to worry ...
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1answer
558 views

How does SameSite cookie header prevent tracking?

I understand how SameSite cookie header prevents CSRF. But how does it prevent tracking by 3rd party sites, since they could set SameSite=Lax or None, and the browser will still send them: https://web....
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1answer
1k views

Identifying devices in mobile app using UUID

I have a mobile application, for Android and iOS (both native), that communicates with the backend through a REST API (over HTTPS). The application allows users to sign in or use the app as a guest, ...
86
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3answers
20k views

What information about me do stores get via my credit card?

Lets say I buy something at some (physical) store and pay using a credit card on one of these electronic terminals. What information do the owners of this store get about me (or my credit card) from ...
3
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1answer
533 views

Can websites uniquely identify users by the sim card used to access the website?

If I was to use a phone's data connection to access a website, and then pop that sim card into another phone to access the same website, could the website tell that I am the same user?
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1answer
941 views

Is it possible to spoof the user agent of any application?

I love using .torrent files instead of file hosting sites like Mediafire and google drive because of their lack of support for larger files. However, even with a VPN your User Agent is still ...
0
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1answer
117 views

How to catch people creating many accounts on the same website using very unique credentials?

Nowadays e-commerce is the new trend compared to the retail stores, but some sellers will manipulate their rankings through false purchases of their own items to boost rankings significantly. The ...
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1answer
231 views

Finding out if a series of job emails from the same person are a scam or a way of tracking/phishing?

I'm Indian, and have received a third job email from a Canadian "Co-founder and COO". I'm not even actively job searching. He hasn't mentioned how he got my mail id or why I'm the right fit for the ...
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5answers
2k views

Why are users tracked? [closed]

I'm trying to get a well-informed and full picture of why one as a single person should worry about being tracked across sites and uniquely identified. The reasons I can think of are: Serving ads as ...
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0answers
74 views

Is perceptual hashing feasible to identify users [closed]

I have been shadow-banned on an app (Tinder) and I cannot get around it. I have been doing some background research into how they are able to identify me and have come across device fingerprinting (I ...
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2answers
1k views

Can a web app fingerprint your device as identical to a native app's fingeprint

I have installed an app on Android and my account got shadowbanned. I sniffed out the traffic with fiddler and see they use a analytics service that assigns your device a fingerprint. I tried the web ...
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0answers
25 views

If my mail domain admin can check my activity through google business when I was logged in can I avoid them to do so by using a mail client? [closed]

I think it's secure to use log-in through a mail client like mail-spring.I think in this way we have separated the account just for mail.Can they still track my google search history.If anyone can ...
8
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1answer
727 views

Privacy & tracking concerns regarding Service Workers

TL;DR Should I be concerned about sites I have visited start a service worker in my browser which happens to be listening for events "forever"? Can a dormant service worker track me? Longer ...
8
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1answer
632 views

Will two smartphones (identical hardware and software) generate the same canvas fingerprint?

When using Canvas Fingerprint (like on this website) to distinguish users, does two smartphones (same model, same OS version, and no browser/plugin customization) will share the same fingerprint?
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1answer
5k views

get ip address of person from facebook chat [closed]

A person was bugging my friend not necessarily threatening, but like sending useless messages for a long period of time on facebook. Is it possible to obtain the IP address of such person? (and then ...
4
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1answer
380 views

Is Verizon Still Injecting Perma-Cookies into Customer Traffic?

This article was published in 2014. Is Verizon still doing this to customer data? It makes sense to assume they are, but I'm hoping for some kind of official news article or something to validate its ...
2
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1answer
45 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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