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  1. Thread Author  Thread Author    #1  
    LNWJ's Avatar

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    Default No security on MTP/USB mode?

    On my Nexus S, in order to mount the USB storage on the phone, you had to unlock the screen to gain access to the partition. I noticed on the N4 since it uses MTP regardless if the screen is locked or not, a PC or Mac will mount the storage and allow read/write.

    Is there a way to secure this or prevent this unless the phone is unlocked/password protected? Thank you!
    Attached Thumbnails Attached Thumbnails No security on MTP/USB mode?-n40.png   No security on MTP/USB mode?-n41.png  
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    Default Re: No security on MTP/USB mode?

    wowza. That's scary! Thanks for bringing this up. I hope this gets Google's attention.
  3. #3  
    dbareis's Avatar

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    Default Re: No security on MTP/USB mode?

    On my Galaxy Nexus on Android 4.2, it does require unlocking to access it just like previously... Wish I had a Nexus 4 to try it on :-(
  4. Thread Author  Thread Author    #4  
    LNWJ's Avatar

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    Default Re: No security on MTP/USB mode?

    I tried disabling the MTP mode check box under Storage in the Settings app, but it is only a toggle (Camera mode or MTP mode).

    So it does indeed look like an issue with the N4?

    EDIT: I filed a report with Google's security team. Maybe its by design, maybe not... but sent it along anyway.
    Last edited by LNWJ; 11-23-2012 at 06:44 PM.

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