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

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authentication model using oAuth

I am planning to use facebook authentication for my website window.fbAsyncInit = function() { FB.init({ appId: 'APPID', cookie : true, xfbml : true, version : ...
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2answers
67 views

If the user registers for my site via e.g. Facebook login, should I force the user to also create a password on my site?

Most sites, when you register via e.g. Facebook, redirect you to a page afterwards asking you to enter additional information that the site needs. Very often this includes setting a password for the ...
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0answers
42 views

Why doesn't the most powerful/powerful sites on the internet use Extended Validation SSL certificates? [duplicate]

Why does some of the biggest internet companies not use an Extended Validated certificate which makes the address bar would be green and more secure? I have noticed that Facebook, Google, Amazon the ...
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1answer
173 views

Unsolicited SMS from Facebook [closed]

I got the following SMS from number 32665 (FBOOK): "Confirmed! To edit SMS preferences go to m.facebook.com/settings. To turn off all SMS messages reply stop. Reply help for other option. SMS ...
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1answer
112 views

Facebook hacker [closed]

My Facebook account was hacked. Searching through security and settings info, Facebook showed that someone was logged into my account from another state and showed some kind of id number. The number ...
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1answer
198 views

Facebook friend suggestions [closed]

An ex of mine has joined Facebook yesterday and I have been informed of this and asked to make friend suggestions for him. I have had no contact with him for over 5 years and have deleted his home ...
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0answers
106 views

Is facebook to facebook (mobile application call ) encrypted?

I understand facebook uses WebRtc to send voice data packet in network if any one end client is on the browser. Use of DTLS packets can be seen in captured (wireshark) file. But in case of mobile app ...
2
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1answer
86 views

How harmful is it to expose access token to the resource owner?

While checking the facebook php sdk implementation I noticed that they expose the access token to the resource owner (user) $params = array( 'next' => $next, 'access_token' => ...
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79 views

Social game authentication exploit

We're running a popular social game and we have a security problem that is growing more and more popular these days. We have the following product requirements: There should be no registration to ...
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2answers
166 views

How do google or facebook know I'm behind a man in the middle proxy?

Whenever I'm behind a man in the middle proxy such as burp, and try to access either google or facebook, I get an alert message telling me that the connection is not reliable and blocks the page from ...
5
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2answers
907 views

Facebook POST request capture

I have been trying to test a sniff on facebook POST request forms using wireshark (filtered HTTP). At login form, I would try login, and then check wireshark and see that no packet was captured. ...
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3answers
72 views

External JS Security

I'm kinda new to security development. I've work mostly with backend processing stuff. I've been assign on how to secure external javascript that we import from facebook, twitter and google. One ...
2
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1answer
73 views

Why do Facebook and Microsoft make you enter a code when reseting a password?

Typically when you reset a website password you receive an email. A lot of sites send you a link with a code on the end of it to click on which will take you to an 'enter new password' form. ...
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0answers
99 views

How is Facebook Spam/Hacks Achieved? [closed]

Recently a handful of my Facebook friends flew off the handle screaming about how horribly they had been "hacked" and how scary it was and etc. It was my view that most of these "hacks" were simply ...
2
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1answer
101 views

Can all of Facebook's data be wiped out? [closed]

Is there a possibility that Facebook's entire data could ever be wiped out by a team of malicious individuals or even a government? Remotely or physically. If so, how do you think they would go about ...
0
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1answer
124 views

I just found many facebook entries on my registry? [closed]

I don't have a Facebook account but I was messing with my registry deleting old stuff and I found a bunch of Facebook keys and folders. Facebook is notorious for being a tool for spy agencies and has ...
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1answer
75 views

Which things can facebook access like contacts etc

I had two incidents . I added john to my skype account and i exchaged few messages. Then i went home and was checking facebook . Then at right side i saw Do you know john and it was his acoount ...
5
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3answers
3k views

How can Facebook possibly stop a bruteforce attack on an account?

I've been doing some research on hacking recently and I found some very interesting tutorials on brute force cracking. I have some questions to ask and I'll be using Facebook as an example. Let's say ...
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1answer
167 views

This facebook page looks different - phishing attempt?

After logging on to a public wifi, I was redirected to this page appearing to be from facebook, and being done via https: which looks markedly different from my normal facebook page I understand ...
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1answer
8k views

any information about en.quiente.info who has visited your account website

I ran across this site http://en.quiente.info, my friends tried it and they say it worked for them. It asks for most of the privileges on facebook even sending messages on behalf of you. Any one has ...
12
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3answers
309 views

Is there any difference between visiting Facebook via their Tor address, and visiting them via their normal address over Tor?

From a security perspective, is visiting via the .onion address more/less secure? I'm using Facebook as an example, but this question is really about any website which has both a 'normal' and a Tor ...
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votes
2answers
114 views

How can I tell if a website is sharing what videos I'm watching without my consent?

It seems that publishers are getting sued or threatened for possibly sharing video watching information - information that an individual has watched a video, before this individual has explicitly ...
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votes
1answer
73 views

Hacked email or total accident [closed]

I have a Facebook account which I look at occasionaly and access via the Facebook app. However whilst reading my emails I tried to access it from n email had they had sent me. I clicked the link which ...
3
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1answer
193 views

REST API stateless authentication using social login

I am implementing a REST API for our mobile applications in which user will login using the SDKs of various social media. Currently, the login strategy is as follows: The token(s) (access_token in ...
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2answers
63 views

Is it normal if user gets logged in Facebook or Twitter after they use Like or Tweet button? [closed]

Personally I don't use social networks, so I'm not sure about their behaviour. Currently I must code website which heavily depends on "Likes" and "Tweets" about articles. Each article has Like and ...
2
votes
1answer
443 views

Are photos on Facebook servers stored with the geotagging metadata in their EXIF headers?

If i download photo from Facebook, will i be able to read its geotagging metadata, or Facebook just parse the uploaded photo, record all EXIF headers into the database (to show the camera model ...
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0answers
118 views

Facebook Login and OpenID Connect [closed]

Can someone confirm whether Facebook Login API (https://developers.facebook.com/docs/facebook-login/v2.2) is based on OpenID Connect (http://openid.net/connect/) specification? Thanks, Sameer
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1answer
175 views

How to suspend a silent oberserver from Facebook account?

A friend of mine told me about the following problem: She used to login on Facebook on a computer of her boyfriend. After they broke up she recognized that he was able to login to her account from his ...
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0answers
168 views

Password automatically typed into user box on facebook [closed]

Just want to ask some questions regarding on this strange experience while logging on my account on Facebook There are cases that I'm accidentally typing my password into the username box of the ...
2
votes
1answer
120 views

While logged in to Google etc., can a malicious site discover my ID?

If I visited a malicious site while being logged in to Google, Hotmail, Facebook, or Twitter in the same browser window, how hard is it for the site to discover my account IDs without my explicit ...
16
votes
3answers
6k views

Should we store accesstoken in our database for oauth2?

I have a requirement to implement Facebook and Google login in my web application. I also need to access a user's Facebook/Google+ friend list. I have gone through the complete OAuth2 documentation of ...
4
votes
1answer
194 views

Using Facebook via Tor

I think about using Tor for nearly everthing, including Facebook, because FB often tags the users even on other sites, for example per Like-Button, Cookies etc. Now I think about using the Tor ...
1
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1answer
102 views

Can Facebook login to my app?

This sounds maybe like a stupid question, but I'm wondering myself if this is theoretically possible. Let's say I'm using Facebook login in my app. If the login is successful I get I get back an ...
24
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1answer
2k views

Facebook password lowercase and uppercase

Recently I logged into my Facebook account and then noticed that my caps lock was on. So I tried to log in again with and without capslock on. I got in both times. Then I tried to log in with the ...
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1answer
204 views

Stopping nosey people on Facebook [closed]

I thought I would ask this question here as it as to do with security. There are a few people on my Facebook that are close to me in real life. I don't mind it in real life (considering my real life ...
4
votes
2answers
329 views

Two-factor verification without a mobile phone?

Currently, some services use a second layer of veficiation if logging in from a new device: Gmail and Facebook send a text or call with a code Facebook generates a code in the mobile application ...
0
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1answer
944 views

What is the risk of installing Facebook Video Calling jar file?

I'm trying to talk with somebody on Facebook, but after many Facebook privacy scandals, it's a big question. Secondly on OSX, it's giving me the error that “FacebookVideoCalling_v1.6.jar” can’t be ...
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0answers
100 views

suspicious oauth2 implementation detail in facebook API

in RFC 6749 The OAuth 2.0 Authorization Framework 2.3.1. Client Password definitely states that authentication at TokenEndpoint can be done in two alternate ways HTTP basic authentication - ...
3
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1answer
6k views

Is this Facebook email real or phishing?

I received this email from what is supposedly Facebook today. Here's a screenshot: I was not aware I had credits or credits existed on Facebook and apparently I have $2.30 worth. It looks legitimate ...
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2answers
214 views

Track my girlfriend's stolen computer

My girlfriend just told me that her computer was stolen, the computer was hibernated and the second the thief turn the computer on a lots a things will open automatically. I'm hoping I can get the ...
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0answers
167 views

Exploit circulating Facebook with a .pnh file embedded in a <img> tag

Not sure how long this link will be up, but this is the page where users get redirected after trying to read a fake news post in someone timeline. [WARNING: ACCESS IN A CONTROLLED ENVIRONMENT] ...
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0answers
153 views

OAuth - Facebook custom authorization grant

I've developed my own custom authorization grant. The steps I am undertaking are the following: I get the facebook authorization code from the mobile device (this is an an API for mobile devices) I ...
0
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1answer
205 views

Did somebody connect to my facebook account?

I have a problem. I'm not sure, but I think that somebody (in our home network) found out a password to my Facebook account and sometimes logs in. Is there a way to find out whether it is true? There ...
0
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2answers
137 views

Malicious capabilities of Social Botnets

A fairly new concept in Malware, especially in the case of botnets, is the emergence of social botnets. These botnets are comprised of accounts (either a newly created account or an existing hijacked ...
46
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5answers
92k views

Anonymity on Facebook - how do they suggest people I should know?

I want to know how Facebook discovers the people who you know in real life or who know you. I tried the following to see if Facebook can still discover my acquaintances in real life and suggest them ...
2
votes
1answer
893 views

Facebook oAuth2 for Javascript client application

When implementing Facebook login using oAuth2 (the Javascript version), I receive an access token back from the Facebook auth server. So far so good. The problem I have is that I want to implement a ...
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vote
2answers
172 views

How can Facebook use history data in browser

Web is filled up with the recent decision by Facebook to track user browsing history like adage.com andNYTimes. How can a web application use browsing history which is local to that browser? Is it ...
2
votes
1answer
469 views

How could the Skype app log me out from my Facebook account on OSX? Isn't this a huge security flaw?

According to this post (and to my personal experience), installing the Skype app on Facebook and the Skype client on OSX Mavericks will result in you being logged out from Facebook every time you ...
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1answer
169 views

Is this social engineering on facebook?

Today, I received a mail from fb saying that two of my friends have mentioned me in a comment. When I opened fb to see that comment, it was filled with random names (which obviously were their ...
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2answers
181 views

Can running a script while logged in compromise my facebook password?

In websites related to facebook malware analysis and information, we often see messages to the effect of if you have run this facebook app then your account has been compromised, or if you went to ...