Want to know who has blocked you on Facebook? Survey scammers take advantage

Filed Under: Facebook, Privacy, Rogue applications, Social networks

Many Facebook users would love to know who in their social circle has blocked them or removed them from their friend list. For probably good reasons, Facebook doesn't have a way of telling you who has decided they don't want to share information with you via the social network anymore - but there are plenty of users who would love that functionality to satisfy their curiousity.

Scammers, of course, aren't slow to take advantage of an opportunity like this - and you should be careful of giving third-party applications which make claims that they can help you tell who has defriended you access to your account.

Here's an example of an application that is live on Facebook right now.

Facebook application

The application, called "Who doesn't like me", claims it will

regularly check your friends to see if anyone has removed you. When it detects that someone has removed or blocked you, a message will popup informing you who it was and a link to there (sic) profile.

However, be on your guard because if you decide you want the application it will ask your permission to scoop up information from your Facebook profile, and even send you messages at your private email address.

Facebook application requesting permission to access your personal information

Do you really want to give an unknown Facebook application such access?

And if you do decide to proceed, then an all-too familar survey scam hosted by CPALead will pop up, earning revenue for the scammers by tricking users into taking pointless surveys.

Facebook application displays a revenue-generating survey

If you find yourself in this situation, please don't take the surveys. You're only encouraging the scammers to distribute even more of these scams.

Instead, check your application settings and revoke access to all rogue applications.

The application can be remove from your Facebook profile via settings

You should also check that your own Facebook newsfeed hasn't started pumping out adverts, promoting the scam:

Check who has deleted you Facebook application

If you want to learn more about security threats on the social network and elsewhere on the internet, join the Sophos Facebook page.

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10 Responses to Want to know who has blocked you on Facebook? Survey scammers take advantage

  1. jvrudnick · 1401 days ago

    Hmm....the new layout is fine...but I can NO longer find Chesters' blog...

    Is it stilll "here" ? And if so what is the link...couldn't find it using any nav I see nor via your search either...

    Chester? Hello...you there lad?

    :-)

    Jim

  2. Kathryn · 1401 days ago

    What about the opposite--the apps that promise to tell you who has visited your wall? How do they work, and where would they be getting that information?

  3. Kathryn · 1401 days ago

    Thanks--I figured you'd probably already written about it, but was being lazy! Very interesting--and even worse than I assumed it would be!

  4. Tom · 1400 days ago

    I believe it is actually against the terms-of-service to develop apps that track visitors or expressly notify you that someone has stopped following you (when I started using facebook, I had been on myspace where "profile logger" applications were starting to appear. Since I was curious about the FB programming platform, I looked into it. In some ways, it is technically possible, but not guaranteed to be reliable. Then I found the explicit mention the the TOS and gave up on the idea)

    OTOH, doing this yourself (with, say, a greasemonkey script or similar) is quite possible - you just need to do what the app claims to do - capture (screen-scrape) your list of current contacts in facebook, and scan for missing entries.

    (in theory, this can be done manually; in practice, only if you have fewer than, say, 100 contacts...)

  5. Eitan · 784 days ago

    Does someone know how do I remove the software I installed on the event :
    "Check who had blocked you from his friend list in Facebook?"

  6. Para Fluie · 685 days ago

    If someone wants to block you, it's his/her right to self-protect. It's like locking your front door. There's no reason to find out who blocked you unless you plan violence or something else sick.

  7. Babu Sikdar · 648 days ago

    pliz un-block me

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About the author

Graham Cluley runs his own award-winning computer security blog, and is a veteran of the anti-virus industry having worked for a number of security companies since the early 1990s. Now an independent security analyst, he regularly makes media appearances and gives computer security presentations. Send Graham an email, subscribe to his updates on Facebook, follow him on Twitter and App.net, and circle him on Google Plus for regular updates.