Questions tagged [facebook]

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

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2
votes
1answer
67 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 ...
0
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0answers
32 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". ...
0
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0answers
31 views

How safe is the built in browser on the iOS Facebook app?

There is no option in the iOS Facebook app to open URLs in an external browser by default (although you can open a link, and then choose to open it in Safari). How safe (mainly from a privacy ...
0
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0answers
58 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 ...
1
vote
1answer
80 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 ...
0
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0answers
94 views

Can someone explain exactly how Facebook hacked and intercepted a text message?

I have an Android phone (Blackberry KEY2). I do not have the Facebook app installed on it. I did log onto Facebook once on it via the Chrome browser to confirm it worked. The other day, I responded ...
0
votes
0answers
78 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 ...
2
votes
1answer
67 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 ...
-1
votes
1answer
105 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 ...
1
vote
0answers
72 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 ...
-2
votes
1answer
164 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-...
84
votes
5answers
16k 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 ...
1
vote
0answers
53 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 ...
1
vote
2answers
209 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 ...
3
votes
1answer
124 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 ...
2
votes
2answers
142 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 ...
3
votes
1answer
183 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 ...
1
vote
1answer
195 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 ...
532
votes
3answers
90k 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 ...
0
votes
2answers
728 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. ...
2
votes
2answers
247 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 ...
0
votes
3answers
260 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 ...
0
votes
2answers
264 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 ...
4
votes
3answers
1k 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 ...
2
votes
1answer
569 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 ...
0
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0answers
75 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 ...
2
votes
1answer
242 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 ...
0
votes
1answer
80 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 ...
7
votes
5answers
4k views

How can Facebook verify my face if it should not have one?

I do not use Facebook but recently I created an account for the purpose of connecting it to an app. I uploaded several photos of myself to Facebook, did what I needed with the app and deleted the ...
-1
votes
3answers
461 views

I entered my password in a possible scam website. What should I do?

A while ago, I found a website that said that it will pay up to 100$ an hour just to watch ads. So, I thought what's the harm, and I created an account using a fake Facebook account (with my real ...
4
votes
1answer
191 views

How should I use Facebook while giving as little information as possible?

As a college student, Facebook and Messenger are virtually necessary to have in my life for communicating with clubs, classmates, finding housing, and more. As much as I want to get rid of them, it's ...
22
votes
1answer
6k views

Website seeing my Facebook data?

I recently visited opensecrets.org and was surprised to see a message box in the lower right corner of the window asking if I wanted to talk, and displaying my name. The pop-up says Chat with ...
1
vote
1answer
130 views

How will social networks (like Facebook) prevent their facial recognition software being abused to render Witness Protection Programs useless?

We're now close to or already at a stage where large social networks can recognize people from photos with facial recognition even without any context such as mutual friends. Facebook announced ...
10
votes
2answers
591 views

What are the risks of installing a root certificate from Facebook on your phone?

I read a TechCrunch article today describing a program Facebook has been running since 2016 where they pay users $20 in exchange for installing a root certificate run by Facebook. This immediately ...
1
vote
1answer
633 views

How does Google Authenticator interact with apps on an iPhone?

I am clear on how Google Authenticator works when logging on to a website and I am clear on that. However, these days everyone is using apps for everything. The Twitter app, the Facebook app, the ...
2
votes
1answer
454 views

Facebook security algorithm: Locked out of my own account after resetting password

I created a secondary Facebook account months ago from Argentina. Now I logged back in, and noticed countless logins from RUSSIA and the account is clearly being used by some Russian dude. I logged ...
0
votes
1answer
3k 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 ...
1
vote
2answers
417 views

Can Facebook break the WhatsApp E2E encryption without the customers noticing?

I read a lot of reports from corporate media complaining that you can't censor "fake news" sent via WhatsApp. Mainstream media claims that because of "fake news" the wrong person got elected in Brazil....
10
votes
1answer
2k views

Why don't Twitter and Facebook enforce password complexity during sign up? [closed]

If you try creating an account using your smartphone, these platforms don't seem to have strong password requirements. They both enforce a minimum 6 character limit and nothing else (I did however ...
2
votes
2answers
1k views

HSTS for android apps?

Websites such as Facebook visited on browsers have the HSTS capability which is one more layer of security for TLS from some attacks. What about, in particular, the Facebook android app? Does it ...
5
votes
0answers
520 views

How does Facebook Pixel's new first-party cookie work?

Facebook recently announced that they will begin offering a first-party cookie option for the Facebook Pixel. Previously, they only used third-party cookies. From their documentation: You can now use ...
4
votes
2answers
740 views

How can you access a Facebook account if you know the access token?

Facebook discovered a "security issue" affecting 50 million accounts. According to Facebook, This allowed them to steal Facebook access tokens which they could then use to take over people’s ...
0
votes
1answer
189 views

Why didn't the stolen Facebook access tokens give access to private messages?

Facebook discovered a "security issue" affecting 50 million accounts. Hackers were able to steal access tokens. But Facebook have said that, So far, our initial investigation has not shown that ...
3
votes
4answers
364 views

How were Facebook accounts compromised?

I was reading this BBC article about compromised Facebook accounts, and was wondering if anyone knows the technicalities of how they did it? All I understood is that there were some breaches due to ...
62
votes
5answers
26k views

Logged out of Facebook on all devices on a sudden. Should I be worried about being hacked?

A while ago, I was opening Facebook app on Android and then I got the message "Session expired. Please log in again.". I then tried logging in with my current password and was success to log in my ...
1
vote
2answers
67 views

Is my personal data at risk with global digital giant's services?

The global digital giant's services like facebook/gmail/twitter/etc are not following standard password policies (like the standard password policies used by most of the Enterprises/Corporate). For ...
4
votes
1answer
420 views

Is this a Facebook self-XSS attempt? [closed]

I recently received a Facebook page link, with a weird querystring payload. The payload was in the form: ?\__xts__[0]=68.XXXXXXXXXXX.... where XXX were random characters (looks like base64, but ...
2
votes
2answers
3k views

IP Addresses not showing up in Facebook login history

A few of my husbands friends (we believe) have been logging into his Facebook and messenger. They are in the Netherlands and we live in the US, however, he used to live there and they know his ...
0
votes
1answer
62 views

Does facebook/google app id need to keep secret if possible?

For example, suppose I have an app which includes a link to use the facebook feed dialog, eg: https://www.facebook.com/dialog/feed?app_id=xxxxx&link= Which means the Facebook id is revealed to ...
1
vote
0answers
45 views

Security concerns in cookie exporting between browsers

I'm wondering why Facebook is not handling the cookie export between browsers and related security concerns. This will be worst when they are using the "remember me" option as the cookies will be ...

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