Questions tagged [facebook]

Facebook is an online social networking service founded in February 2004 by Mark Zuckerberg.

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Able to log into Facebook with the wrong email address [duplicate]

I was able to log into my Facebook with the incorrect spelling of my email address. I think this might mean my Wi-Fi is hacked or is this a random Facebook issue?
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0 votes
0 answers
83 views

Problem regarding secret messages on Facebook

A few days back,I downloaded the Facebook download your data and found a place in messages where it is shown that I have sent and received secret messages. But I am sure that I have never sent or ...
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  • 1
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1 answer
71 views

Does the device attributes section of Facebook's data policy entitle it to private files on my device?

I was reading through Facebook's data policy which also encompasses instagram, messenger, etc. It looked like the usual all encompassing breach of privacy I have come to expect from the company but ...
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1 vote
1 answer
130 views

How do Facebook question pages get your data and what data do they get?

Lately, I've noticed a lot of FB notifications of friends asking stupid questions from other pages. The questions are usually along the lines of "What's the first movie you saw in the cinema?&...
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0 votes
0 answers
28 views

Is verification code a scam? [duplicate]

When facebook sends the confirmation code, the name FACEBOOK is not displayed as the sender,, instead phone numbers of different countries. Until now, it was only on my notebook, but today I synced my ...
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0 votes
1 answer
465 views

I have been hacked on Facebook multiple times today alone. What do I do?

My Facebook account has had its password changed four times today, and I'm wondering what to do. The first time, was at 5:02pm. I received an email saying that my password had been changed. I recently ...
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3 votes
1 answer
1k views

How to run whatsapp as privately as possible?

I believe it is fairly common knowledge that there are security and privacy concerns regards WhatsApp. The EFF, Ed Snowden, and many others, have expressed concern about the apps' integrity. You don't ...
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0 votes
0 answers
72 views

How to update the Return-Path that Facebook sends with?

Each facebook user gets legitimate facebook emails with a fixed Return-Path: notification+ABC123@facebookmail.com header. I.e., Bob will always get mails from ABC123, and Wilma from EFG456. There is ...
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0 votes
0 answers
244 views

Can someone intercept my Messenger calls

I want to know whether or not Facebook Messenger calls can be intercepted and listened to by hackers. Long story, but I went on a date with a girl who I then blocked immediately afterwards due to me ...
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  • 9
0 votes
1 answer
106 views

Will ISP know the location of public comment on Facebook via query link? [duplicate]

Let say that a person has made a comment on a Facebook group and in the browser address bar it will have a link with the following format. If someone clicked on this link, it will jump straight to the ...
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  • 137
1 vote
0 answers
95 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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0 votes
0 answers
127 views

Facebook and Yahoo 2FA SMS codes from odd numbers

When logging in to Facebook/Yahoo mail, I receive my 2FA codes from random numbers. Here are some examples (I have a Romanian phone number, hence the country codes): +40 747 691 103 +40 727 347 814 +...
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  • 101
0 votes
1 answer
89 views

iOS and Facebook Messenger security

If the same Facebook Messenger account is opened on my device and on another device, and my device's Messenger app is allowed access to photos, can my device's photos be viewed or hacked on the other ...
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  • 3
0 votes
1 answer
134 views

How do I prevent my Facebook and Instagram acccount from appearing in "people you may know" recommendations?

Facebook tends to "recommend" your account based on IP and collected data. How do I keep it hidden from people that are geographically related to me? I want to create a pseudo-anonymous ...
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1 vote
1 answer
173 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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0 answers
59 views

Trace Unauthorized login into My Gmail and Facebook Account [duplicate]

I have experienced an unauthorized login into my Gmail and Facebook account, while I was logging into the accounts and doing school assignments. Suddenly, I got an email from Facebook about "...
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2 votes
1 answer
511 views

Can a malware steals my Facebook c_user, xs, and datr Cookies?

Just as the title suggests. I have a PasswordStealer on my PC and I'm afraid that it can do that. AFAIK, that malware can record keystrokes and steal saved passwords which I don't mind because I don't ...
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1 vote
1 answer
291 views

Is it normal to receive working SMS verification code from strange number Facebook [closed]

I am Algerian. Why when I want to reset my Facebook password I receive a SMS from an Algerian phone number (00 213 ...), and not from Facebook? And why sometimes the SMS contain spelling errors? The ...
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-1 votes
1 answer
157 views

Following the new WhatsApp data privacy update, why does WhatsApp ask from users, even if they didn't, who is going to check their source code?

New WhatsApp data privacy update, that it will share our data with Facebook, we all know Facebook owns WhatsApp and this is obvious Facebook can always access users of WhatsApp as well. So why to ask ...
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  • 99
1 vote
0 answers
117 views

Does it make sense to create a Facebook account so I can tell them not to track me?

Not sure this is the right site to ask this, but here it goes. I've never created a Facebook account, because I don't want people to know about me more than I know about them. But I do have an ...
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2 votes
2 answers
204 views

Left my Facebook logged in - what could my employer see?

I left my Facebook logged in on my work computer (I help with social media and am an admin). I closed the tab without logging out and it was only when I went to go back onto Facebook again that it was ...
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  • 31
5 votes
1 answer
332 views

Found fake Facebook profile with my name and education history, what to do?

A family member of mine called my attention to a Facebook profile with data significantly resembling mine: Matching first and last name Matching city Matching secondary school Matching university ...
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0 votes
0 answers
71 views

How does Instagram know my location even if I use VPN and have no sim card? [duplicate]

I'm using this Instagram account only on my 2nd phone which has no sim card and airplane mode always on. I use VPN 100% of the time when connecting to the internet. The account isn't linked with any ...
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0 votes
0 answers
112 views

Facebook/Google OAuth - need a constant string for E2EE

The clients can use Google and Facebook OAuth for authentication I need to implement a chat application where the messages are end-to-end encrypted When the user changes device, the client should be ...
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3 votes
1 answer
274 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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  • 31
0 votes
0 answers
72 views

What are the recommended mechanism to securely distribute private keys to thousands of servers?

I am asking this question because in this article https://engineering.fb.com/security/delegated-credentials/ there is a sentence stating "We securely distribute private keys to the servers". ...
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  • 133
0 votes
0 answers
174 views

Will anyone figure out who I am if I am downloading torrent while logged in facebook in my browser?

I have protonvpn. I am downloading torrents. I don't want anyone to know that I am downloading torrents. I am also logged in to Facebook in my browser. So Facebook knows my VPN IP. And my ISP knows ...
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2 votes
1 answer
455 views

Off-Facebook activities received from apps and websites NEVER logged in via Facebook

Facebook has recently launched "off facebook activity" which lets you see all the activities shared by other apps/websites that you have interacted with. But how did those apps and websites share ...
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0 votes
0 answers
161 views

How do LEA and others track no log VPN users?

Other questions have been asked but not with the specific details that I have shown (no log VPN, no leaks, dynamic user agent and JavaScript disabled). Hypothetical situation Someone sends a ...
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3 votes
1 answer
118 views

Isn't Facebook Apptoken Oauth2 client credential unsecure since it sends login credentials request in GET URL?

Facebook Apptoken uses OAuth2 client credential code. But the client_id and client_secret are sent to the servier via HTTP GET method. Isn't this unsecure ? For instance, any node that has logging ...
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  • 33
-1 votes
1 answer
259 views

Can't access Facebook account registered under my e-mail address [closed]

I have two e-mail addresses: email1@domain.com and email2@domain.com. I have a Facebook account that I can log into using email2@domain.com. I recently got an email on email1@domain.com like the one ...
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  • 99
1 vote
0 answers
113 views

Is it possible to get hacked by a redirection placed inside a Facebook Graph URL?

Basically, I have a webapp which needs to check the validity of the user of an Android app. After completing the basic login flow with Facebook in the Android app, a Facebook access token is sent to ...
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  • 111
-2 votes
1 answer
237 views

Is there a way to hack your Facebook account back? [closed]

I think that from title it's pretty obvious what I'm trying to do. My Facebook account has been hacked, as it's using e-mail from whom I've forgotten password I can't get it back. I'm not using this e-...
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  • 97
91 votes
5 answers
20k 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 ...
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  • 761
1 vote
0 answers
123 views

Cannot remove an unknown active session from my Facebook account [closed]

Cannot remove an unknown active session from my Facebook account . My Facebook account was hacked and I changed my password, then i deleted my active sessions. There was one session from MI that it ...
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1 vote
2 answers
371 views

Does Facebook scan the photos I upload? [closed]

I uploaded a photo of mine with my friend and tagged some random Facebook users of my friend list. After some time when I opened that post, Facebook is suggesting me to tag my friend who is in that ...
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  • 29
3 votes
1 answer
175 views

How to know if a web page is valid and not a man in the middle fake page?

Recently, the facebook page changed on my computer (on others from the same router, I get the regular page). I checked the ssl certificate, and it seems to be authentic, however, as the page does not ...
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2 votes
2 answers
272 views

How can we avoid the Facebook SDK? General: Trusted forge for Android apps?

I know that privacy is dead etc, but I saw a presentation (Link: https://www.youtube.com/watch?v=OTt1AVRQyx0 )about developers of Android apps using the Facebook SDK for whatever reason in their ...
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3 votes
1 answer
234 views

Would it be possible for me to become infected just by opening a Facebook message?

I received one of those obvious fake "is this you?" and some fake Youtube link on Facebook Messenger. I don't know what it redirected to as I didn't click it (I only hovered over it to see if it was a ...
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  • 31
1 vote
1 answer
293 views

Facebook Knows About my Search History in Other Browsers

I use a private IE window to browse facebook (theoretically no data stored locally). I log in to facebook maybe once every 6 months. Two months ago, I used Chrome on the same machine to search for ...
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  • 523
552 votes
3 answers
98k views

Why can I log in to my Facebook account with a misspelled email/password?

I've been playing around with different login forms online lately to see how they work. One of them was the Facebook login form. When I logged out of my account my email and password were ...
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  • 3,595
0 votes
2 answers
1k views

Could clicking a Grabify link to my Facebook page get me hacked?

My newest boyfriend sent me a Grabify link on Messenger. Without thinking (probably because of trusting him), I clicked the link (yeah, I'm an idiot, lol). The link has routed to my Facebook account. ...
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2 votes
2 answers
293 views

Do we have to be concerned about FaceApp?

After that FaceApp got viral, so many articles have been writing about privacy issues of FaceApp. They argue that FaceApp sends user pictures to their servers and store. As the company is based in ...
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  • 123
0 votes
3 answers
372 views

How is Facebook determining my location when I don't have the app installed?

I have done everything that I can think of to prevent companies like Facebook from knowing my actual location, yet recently I've started noticing extremely specific ads from them. For example, I ...
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  • 133
0 votes
2 answers
313 views

How secure is Libra considering Visa and Mastercard are behind it?

Libra is the upcoming cryptocurrency by Facebook which Facebook claims is supported by variety of tech companies including but not limited to Mastercard, Paypal and Visa. Facebook also enforces a real ...
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7 votes
4 answers
4k views

Why does WhatsApp not encrypt Google Drive backups?

WhatsApp has end-to-end encryption, promising privacy to users. However, it becomes useless if backups to Google Drive are unencrypted. Our supposedly private data goes to the control of Google. No ...
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  • 215
2 votes
1 answer
1k views

How did Instagram know the content of my WhatsApp conversation and Google searches?

My friend forwarded me some information about a business via WhatsApp (on mobile). I did some Google searching on that business on a desktop. I've deactivated my Facebook account for almost a year ...
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  • 905
0 votes
0 answers
125 views

Different password recovery code received from Facebook

After a long time, I tried to login in to Facebook just to find that I forgot my password. So, to generate new password I used the 'forgot password' option in which a security code to reset password ...
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2 votes
1 answer
347 views

How Facebook recommend me a friend (no mutual friend)? [closed]

For example, Facebook recommends me a friend: We really know each other We do not have mutual friend on Facebook We both have whatsapp and have each other's phone number, but never chat on whatsapp ...
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  • 121
0 votes
1 answer
114 views

Icon on desktop [closed]

I was doing some work when I noticed new icon on my desktop called "sl_files". I couldn't help but open it. It contains CSS files, and there is some recognized as .download files. It has pictures of ...
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