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What gets exposed using Login Using Facebook?

By jobeard
Apr 20, 2018
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  1. Have you ever seen
    upload_2018-4-20_16-39-58.
    Of course you have - - a very high percentage of websites offer this technique of gaining access to another website. It's easy so why not? CAVEAT EMPTOR on that question; don't be so naive!

    Before delving into the issues, the overall conclusion is
    NEVER LINK one site to another with a social media login!

    If your privacy is important to you and your friends:
    Disassociate all your logins from any social site(s) you use
    Login manually to each and every website using a login.​

    Ignoring browser and website privacy settings (which need to be reviewed frequently btw),
    the OAuth API(aka the technique which enables logging in with a social site ID), gives hidden access to thrid party software which you can't control.

    Excerpts from:
    https://freedom-to-tinker.com/2018/...ta-third-party-trackers-abuse-facebook-login/

    Vulnerability 1: Third parties piggyback on Facebook access granted to websites
    https://s3.amazonaws.com/ftt-upload...2018/04/17235951/third_party_exfiltration.png

    Vulnerability 2: Tracking users around the web with the Facebook Login service
    https://s3.amazonaws.com/ftt-upload...18/04/18000001/third_party_identification.png

    What are you sharing:
    https://www.cbsnews.com/news/what-are-you-sharing-when-you-sign-in-with-facebook-or-google/


    the overall conclusion is
    NEVER LINK one site to another with a social media login!

    If your privacy is important to you and your friends:
    Disassociate all your logins from any social site(s) you use
    Login manually to each and every website using a login.​
     
    Last edited: Apr 21, 2018
    holdum323 likes this.
  2. holdum323

    holdum323 Banned Posts: 1,721   +455

    Excellent! No need for me to say any thing more. Thanks.(y)(y)
     
  3. Rich M

    Rich M TS Booster Posts: 124   +62

    Wow good post I hope everyone reads this!
     

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