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On 10/9/07, Alex Schuster <wonko@×××××××××.org> wrote: |
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> according to the speaker, most of the RAM may even survives for as long as |
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> 30 seconds after powering off! At least on a ThinkPad T30 notebook (stated |
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[..] |
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> Another thing is Firewire, or hot-pluggable PCI cards (and everything else |
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> which accesses RAM via DMA). This allows to read the RAM of the running |
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> system by simply plugging in a firewire device. |
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> So, resetting the system and booting another one, or plugging in a firewire |
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> device, allows to get a memory dump. Scary, huh? |
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On the scary note, I've recently stumbled on this paper by Peter |
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Gutmann, from the IBM T.J.Watson Research Center, published in 2001 at |
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a Usenix conference: Data Remanence in Semiconductor Devices [1]. Not |
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much reassuring either ~_-. |
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[1] http://www.usenix.org/events/sec01/gutmann.html |
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Liviu |
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-- |
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