1. LNWJ's Avatar
    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 No security on MTP/USB mode?-n40.png   No security on MTP/USB mode?-n41.png  
    teleclimber likes this.
    11-23-2012 12:36 PM
  2. teleclimber's Avatar
    wowza. That's scary! Thanks for bringing this up. I hope this gets Google's attention.
    11-23-2012 02:14 PM
  3. dbareis's Avatar
    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 :-(
    11-23-2012 05:50 PM
  4. LNWJ's Avatar
    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.
    11-23-2012 07:26 PM

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