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[Dominik Menke <390989@xxxxxxxxxxxxxxxxxx>]

I'm affected, too. I don't believe, this has something to do with
drivers (I'm using nvidia-current) but I think, there is a flaw in the
lock-mechanism.

Occasionally, my desktop does not just flashes, but reveals the running
applications *on top* of the login field (see attached screen shot).

I'm strongly confident, this is just another reason, why you can't use
Ubuntu in companies (think of a payslip sheet at the accounting).

** Attachment added: "Picture taken from locked screen."
   https://bugs.launchpad.net/ubuntu/+source/gnome-screensaver/+bug/390989/+attachment/2675567/+files/information-leakage.jpg

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https://bugs.launchpad.net/bugs/390989

Title:
  [SecurityRoadmap] Locked screen shows the desktop

Status in “gnome-screensaver” package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu 9.04

  When I lock the screen and arrives the next day, when I touch the
  keyboard and wakes the screen to enter my password an image of the
  desktop is shown under a very short period of time before the password
  prompt is shown.

  If someone has a camera it's possible to take a photo of the screen of
  how it looked just before it was locked.

  I'm using dual screen and a Nvidia built in driver. The image is shown
  in the laptop monitor, maybe on the extra screen that's cloned (hard
  to see because it's syncing to long to see).

  Please let me know if you need more information.

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