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CIRCLE WITH A DOT

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  3. Let me get this straight...

Let me get this straight...

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  • wdormann@infosec.exchangeW wdormann@infosec.exchange

    Let me get this straight...

    The default setting for Signal on an iPhone allows law enforcement to see the content of all incoming messages, even after the app has been deleted? 🤔

    https://www.404media.co/fbi-extracts-suspects-deleted-signal-messages-saved-in-iphone-notification-database-2/

    awkwardturing@infosec.exchangeA This user is from outside of this forum
    awkwardturing@infosec.exchangeA This user is from outside of this forum
    awkwardturing@infosec.exchange
    wrote last edited by
    #12

    @wdormann what does that mean for any other app that pushes sensitive data as notifications? Wondering if disabling the notification rly disables the storing in the DB or just the display of it.

    wdormann@infosec.exchangeW 1 Reply Last reply
    0
    • awkwardturing@infosec.exchangeA awkwardturing@infosec.exchange

      @wdormann what does that mean for any other app that pushes sensitive data as notifications? Wondering if disabling the notification rly disables the storing in the DB or just the display of it.

      wdormann@infosec.exchangeW This user is from outside of this forum
      wdormann@infosec.exchangeW This user is from outside of this forum
      wdormann@infosec.exchange
      wrote last edited by
      #13

      @AwkwardTuring
      Right. That's the million dollar question.

      1 Reply Last reply
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      • grammasaurus@mastodon.socialG This user is from outside of this forum
        grammasaurus@mastodon.socialG This user is from outside of this forum
        grammasaurus@mastodon.social
        wrote last edited by
        #14

        @omnicore @wdormann @signalapp What I got from the article is what you said here: the weakness is in iPhone’s default behavior.

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        • avuko@infosec.exchangeA avuko@infosec.exchange

          @wdormann The default setting for the iPhone by the US company Apple is to pass messages through to their Notification functionality.

          They could be retrieved by the FBI from the US company Apple's push notification database.

          The US company Apple, not Signal, has a shoddy security model here.

          PS: To any Apple fanboys who can't stand a single bad word about Apple, I'll block you permanently and happily if you even give a squeak.

          #Apple #Signal #FBI #Fascism

          cppguy@infosec.spaceC This user is from outside of this forum
          cppguy@infosec.spaceC This user is from outside of this forum
          cppguy@infosec.space
          wrote last edited by
          #15

          @avuko @wdormann

          Oh, but it's even worse than that. From TFA:

          Authorities have turned to push notifications more broadly as an investigative strategy too; in June 404 Media reported Apple gave governments data on thousands of push notifications. Those were legal demands made to Apple, while the Prairieland case was about data from a device authorities had physical access to.

          This suggests that your #notifications are sent home to #Apple. Why is that necessary?

          I have further questions:

          • Why, and for whose benefit, were notifications stored on the phone after the #Signal app had been removed? They were useless to the other of the phone.
          • How much of this vulnerability is shared with Android phones?
          1 Reply Last reply
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          • wdormann@infosec.exchangeW wdormann@infosec.exchange

            @Mer__edith
            Can we get a comment on this?

            1) The default Signal setting to show message contents in push notifications seems... bad, assuming this article is accurate.
            2) Does changing the in-Signal-app setting for Notification Content indeed prevent notifications from being stored anywhere, which by default contains incoming message bodies.

            tdpsk@sueden.socialT This user is from outside of this forum
            tdpsk@sueden.socialT This user is from outside of this forum
            tdpsk@sueden.social
            wrote last edited by
            #16

            @wdormann @Mer__edith I was unaware notifications on iOS were stored in an on-device database even after they had been dismissed. That seems like an inefficient waste of storage - does anybody have a link to some Apple docs providing context about this database?

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            • avuko@infosec.exchangeA avuko@infosec.exchange

              @Beachbum @wdormann if you do not want to be tracked/traced/placed, don’t bring a mobile phone in any way tied to you or your previous locations.

              I worked in telco for years, trust me on this one.

              The problem here was different: people who thought they were communicating privately, had their messages (or those that ended up in Apple’s notifications database on the iPhone) accessible to law enforcement. Even after (taking precautions like) deleting the app.

              beachbum@mastodon.sdf.orgB This user is from outside of this forum
              beachbum@mastodon.sdf.orgB This user is from outside of this forum
              beachbum@mastodon.sdf.org
              wrote last edited by
              #17

              @avuko @wdormann That’s partly why I’m asking because I disable notifications as soon as I purchase a phone. Locating my phone is important because I misplace it a lot. My location services it’s also always off.
              I have a degree in IT, but it goes back to 2006 and so much has changed since then and honestly, I only keep up through what I read here on Mastodon. I thought doing these things would secure my privacy.

              1 Reply Last reply
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              • avuko@infosec.exchangeA avuko@infosec.exchange

                @Beachbum @wdormann if you do not want to be tracked/traced/placed, don’t bring a mobile phone in any way tied to you or your previous locations.

                I worked in telco for years, trust me on this one.

                The problem here was different: people who thought they were communicating privately, had their messages (or those that ended up in Apple’s notifications database on the iPhone) accessible to law enforcement. Even after (taking precautions like) deleting the app.

                beachbum@mastodon.sdf.orgB This user is from outside of this forum
                beachbum@mastodon.sdf.orgB This user is from outside of this forum
                beachbum@mastodon.sdf.org
                wrote last edited by
                #18

                @avuko @wdormann I was rather shocked that this could even be possible yet actually occurring.

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                • wdormann@infosec.exchangeW wdormann@infosec.exchange

                  Let me get this straight...

                  The default setting for Signal on an iPhone allows law enforcement to see the content of all incoming messages, even after the app has been deleted? 🤔

                  https://www.404media.co/fbi-extracts-suspects-deleted-signal-messages-saved-in-iphone-notification-database-2/

                  prism@infosec.exchangeP This user is from outside of this forum
                  prism@infosec.exchangeP This user is from outside of this forum
                  prism@infosec.exchange
                  wrote last edited by
                  #19

                  @wdormann The default setting is that you get notified when you receive a message, because most people want those.

                  1 Reply Last reply
                  0
                  • wdormann@infosec.exchangeW wdormann@infosec.exchange

                    Let me get this straight...

                    The default setting for Signal on an iPhone allows law enforcement to see the content of all incoming messages, even after the app has been deleted? 🤔

                    https://www.404media.co/fbi-extracts-suspects-deleted-signal-messages-saved-in-iphone-notification-database-2/

                    craignicol@glasgow.socialC This user is from outside of this forum
                    craignicol@glasgow.socialC This user is from outside of this forum
                    craignicol@glasgow.social
                    wrote last edited by
                    #20

                    @wdormann @mastodonmigration eh what?

                    On Android it just shows "you have a new message". Was this an Apple or a Signal decision?

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                    0
                    • wdormann@infosec.exchangeW wdormann@infosec.exchange

                      Let me get this straight...

                      The default setting for Signal on an iPhone allows law enforcement to see the content of all incoming messages, even after the app has been deleted? 🤔

                      https://www.404media.co/fbi-extracts-suspects-deleted-signal-messages-saved-in-iphone-notification-database-2/

                      lennybacon@infosec.exchangeL This user is from outside of this forum
                      lennybacon@infosec.exchangeL This user is from outside of this forum
                      lennybacon@infosec.exchange
                      wrote last edited by
                      #21

                      @wdormann Looks different here. But it’s Most probably the „Preview“ -Thing that causes Information to leak (to the OS which persists it unsecure)

                      Link Preview Image
                      1 Reply Last reply
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