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Questions tagged [facebook]

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

1
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2answers
117 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....
0
votes
0answers
33 views

Understanding facebook login token

I have a client-server rest-api application. I want use facebook login to authenticate user. When I logged in with facebook using fb api I obtain an access-token. Can I use this token to authenticate ...
10
votes
1answer
1k 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
74 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 ...
3
votes
0answers
337 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 ...
4
votes
2answers
265 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
174 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
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4answers
220 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
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5answers
13k 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
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2answers
63 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 ...
3
votes
0answers
143 views

Is this a Facebook self-XSS attempt?

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
188 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
44 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
41 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 ...
3
votes
2answers
125 views

Email/facebook account/internet protection service for private community

I apologize in advance for any inaccuracy. I am part of a yoga community which has no particular activity on the web or in the informatic sector. All we have that can be regarded as web-related is ...
3
votes
1answer
145 views

How anonymous is it to use Facebook's Tor-site?

How anonymous, with respect to Facebook, not the rest of the world, is it to use Facebook via https://www.facebookcorewwwi.onion/ rather than the usual site? That is, if two different Facebook users ...
1
vote
0answers
68 views

Facebook sharing data with 3rd party companies [closed]

From what I heard, Facebook shared users' info with Cambridge Analytica. Didn't they made it clear in their long terms and conditions (which people tick without reading) that they can do that?
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0answers
28 views

Facebook Auth, Is there any reason to save the Token and the ID when the user makes the login?

I added to my web app facebook login. once the user login I verify in the server with the token whether the user can be trusted or not. Is there any reason to save the token or the ID? Facebook ...
1
vote
1answer
75 views

Can Facebook collect data on local network?

I live in a country where very very few people use Netflix, therefore it's very rare to see ads about it, because my country is so tiny, Netflix Just don't target it. My country is outside EU, so ...
0
votes
1answer
106 views

Recovering locked-out accounts after losing smartphone

Ok so, we've got a situation here that sounds a bit hopeless, but it's happening right now and we could really use some help. Please bear with me here as I try to explain... Recently, my wife and I ...
2
votes
0answers
4k views

What do two keys in FB Messenger Secret Chat mean?

Okay, this is a real situation but I will use the classic names. Alice and Bob are chatting via FB Messenger Secret Chats. When Bob taps on settings, "Your keys" shows "BB BB BB", and "Alice's keys"...
0
votes
1answer
128 views

Do users data from europe have to be stored in the EU? [closed]

I read recently that facebook could be moving 1.5 billion EU users data outside of the EU to get round the new EU regulations on GDPR. Is this legal and how could it be stopped? Source: https://www....
0
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0answers
101 views

What are the risks with logging in with Google or FB auth to third party sites? [duplicate]

You can now log in via FB or Google to sites like this one. That's because, presumably, once you've been authenticated from either, you can be trusted to manage information of a less-confidential ...
0
votes
0answers
191 views

Facebook password bug [duplicate]

I was trying to login to one of my facebook account today, and I noticed that even if I add one extra character to the password facebook allows me to login. But if I add more than one extra character, ...
21
votes
5answers
3k views

How is Facebook not considered spyware? [closed]

Recently, it was unveiled that Facebook's application in mobile phones (and messenger) have access to data that you didn't consent in their collection. Data that is completely unrelated to the ...
0
votes
1answer
236 views

Is it safe to open a message in inbox? (but not the GIF itself?)

I received message in my inbox of facebook which says my friend sent me a gif. Now, is it safe if I only see the message? By seeing the message I mean "just" the message itself, and not click on the "...
16
votes
1answer
840 views

Does Mozilla's new “Facebook Container” have any advantages over uBlock Origin?

Yesterday Mozilla launched a new Firefox plugin called Facebook Container: This makes it harder for Facebook to track your activity on other websites via third-party cookies. […] When you ...
3
votes
1answer
242 views

Is using OAuth2 services like Google or Facebook Single Sign-On a privacy concern?

With all the coverage of Cambridge Analytica scandal, it seems like this wasn't a data breach or hack, it was just that Cambridge Analytica did not properly disclose how they would use the data. Is ...
-4
votes
1answer
97 views

Sending multiple messages on Facebook when the user name is “Facebook User”? [closed]

Last week, I had a message request on Facebook from someone (he or she is harassing me and my fiance). The user appear as "Facebook User". I guess this means that he/she has deleted their profile ...
1
vote
0answers
61 views

How do I intercept packages in a Facebook application?

I can not listen to HTTPS traffic in the Facebook application through Fiddler and Burp. SSL-Pinning is disabled through SLL Kill Switch 2 (other applications such as Twitter, Snapchat with SSL-Pinning ...
2
votes
1answer
7k views

How secure is Facebook Messenger when not using “Secret Conversations”?

If Facebook Messenger is only end-to-end encrypted if I start a secret conversation, how secure is a normal conversation? Can Facebook theoretically access my messages? Does Facebook scan the ...
1
vote
0answers
213 views

Micro Service - Outh2 Workflow with a SPA, Facebook Login and JWT

Introduction We are currently trying to figure out a way to implement token based authentication and authorisation with Facebook Connect combined with maybe JWT within the micro service architecture. ...
0
votes
1answer
278 views

How I can get the point of elliptic curve?

I have set a connection with facebook.com and I need the point that is used in the signature. I have the public key and the certificate. Also with the command: openssl ec -pubin -in facebook_pub.key ...
0
votes
1answer
60 views

How I can get the elliptic curves parameters from a host?

For example, with openssl I have seen that facebook works with ANSI X9.62 prime256v1 elliptic curve and what I want is the point of the curve that is using with my signature. I have seen that I can ...
0
votes
3answers
168 views

Do large companies storing private user data ensure no single insider can abuse user data? if so, how?

Let's say we have a large company X which stores private user information. For example an e-mail provider, or social network provider. I mainly have GMail and Facebook in mind. So the company has ...
0
votes
1answer
2k views

Can someone be tracked using a VPN? [duplicate]

Let us assume that someone sends me a threatening message on Facebook. I also want to assume that they have used a VPN to do so, given the location I got from an initial trace is looked into and is ...
6
votes
1answer
2k views

Facebook login with profile picture?

When I use Facebook, after I log out, I can see my profile picture on the login screen of Facebook. With great curiosity, I click on the profile picture (while I am still logged out) and Facebook logs ...
0
votes
0answers
591 views

How to get ip address from FB messenger previous chat session? [duplicate]

Is there any way to obtain the ip address of a person from one of the previous FB chat sessions? On net there are instructions where you can find a way but that requires the person to connect to chat ...
3
votes
1answer
102 views

How can an account be accessed even though two-step authentication?

Facebook uses two-step authentication or "login approval", which means that all unrecognized devices will have to enter a code received through SMS. Suppose my Samsung device is the only device that ...
0
votes
1answer
2k views

Facebook 'Where You're Logged In' IP does not match actual IP [closed]

In Facebook, go to "Settings" > "Security and login" > "Where You're Logged In", and hover the mouse over the characters which describe your location. You should see your IP. But when I do it, its ...
23
votes
5answers
11k views

Find IM user location via netstat?

I got sent an article today (http://hakerin.com/facebook-user-location-finder-noobs/). With the click-bait title "Facebook User location Finder" Of course I clicked it. Going through the "article" ...
3
votes
0answers
364 views

What exploit is the October 2017 Facebook messenger video using?

There is currently a Facebook virus going around, where a user will receive a message from a friend directing them to a fake YouTube video. The when the user clicks through the virus is sent to their ...
1
vote
0answers
77 views

Tracking hostile facebook user's ip

I've seen most of the solutions to tracking a facebook user through chat; however, since I needed to delete my facebook account because of this person's actions, I can't just start a chat with them. ...
0
votes
0answers
90 views

Does Facebook Messenger connect directly to the other user?

I read that using netstat will reveal the other person's IP address when you are both using Facebook Messenger. Is this true and, if so, safe? I would think at the very least it could open you up to ...
1
vote
2answers
406 views

I have continued access of my Facebook account from a particular iPad/IP Address - how do I stop it?

I have the Internet abilities of a doorknob. Please keep that in mind. Through a random series of events, I discovered the Privacy portion of my Facebook account, and saw that an iPad user was ...
4
votes
4answers
649 views

How can I protect my privacy against Facebook tracking my web activity?

I was at CryptoParty this year and I heard that Facebook can track user's web activity even after we are logged out. The speaker didn't gave us a solution for protecting our privacy on that matter, so ...
19
votes
1answer
2k views

Privacy data concern: Facebook account appearing with a search for phone number, despite it never being added - what should I do? [closed]

Something that's concerned me recently is "doxing" or the searching for and posting of personal information. Recently I carried out essentially an audit of my personal security online and discovered a ...
0
votes
1answer
157 views

can someone watch my facebook video chats from a computer im still logged in on?

can someone watch my facebook video chats from a computer im still logged in on? Say i video chat with someone and my facebook is open on a third device, can that third device watch the video im ...
1
vote
0answers
165 views

Why does the task switcher shows the background app in preview?

Normally on android devices, the task switcher shows screenshot of the last state of the app in preview. But on my device for Facebook, it shows the screenshot of the background app instead of ...
1
vote
0answers
189 views

Is someone trying to hack me through facebook?

For the past few days i have been receiving friend requests in facebook from some hot girls that have some pictures of them in sexy poses and in the timeline it says they want to meet and have sex and ...