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SuleimanDC's avatar
SuleimanDC
Iron Contributor
Aug 27, 2020

FCM Message Notifications

A couple of our users received random notifications on the Teams mobile app this morning. The notification states "FCM Message". Anyone have an idea what's going on?     
microsoft teams
ashleyw1490's avatar
ashleyw1490
Copper Contributor
Aug 27, 2020

SuleimanDC 

Microsoft just sent this out so they are investigating. 

 

Bmandad4u's avatar
Bmandad4u
Copper Contributor
Aug 27, 2020
ashleyw1490

That document has multiple spelling and grammatical issues. I wouldn't trust it.
  • erroreki's avatar
    erroreki
    Copper Contributor
    Aug 27, 2020

    Bmandad4u 

    If you say so.

    Three news articles about this:

    https://cybernews.com/security/exposed-google-keys-leaves-billions-of-users-open-to-mass-spam-and-phishing-notifications/

    https://portswigger.net/daily-swig/google-firebase-messaging-vulnerability-allowed-attackers-to-send-push-notifications-to-app-users

    https://code2care.org/q/fcm-messages-test-notification-microsoft-teams-google-hangouts-push-alert-firebase

    The people that found the exploit:

    https://twitter.com/y_sodha

    https://twitter.com/absshax

     

    EDIT: I'm also not too hasty to say that something written in a language that isn't the writers native tongue is untrue. Not everyone is blessed with the understanding of all languages in the world

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