Fedora - Cold Boot Attack

Bruno Wolff III bruno at wolff.to
Sun Nov 7 18:15:48 UTC 2010

On Sun, Nov 07, 2010 at 18:44:48 +0100,
  Jan Kratochvil <jan.kratochvil at redhat.com> wrote:
> On Sun, 07 Nov 2010 00:36:58 +0100, Vaclav Mocek wrote:
> > I have read some articles about the Cold Boot Attacks and I am 
> > wondering  whether my Fedora box is protected against such kinds of 
> > attack, at least to some extent.
> If you have physical access to the box there is no security left.  Attacked
> can install there a trojan to catch+store boot password, install backdoor into
> the booted kernel, use SMM (System Management Hook) etc.  Attacker can also
> solder in a sniffer of memory accesses.  Other variants also exist.

Having the laptop stolen, modified, put back and then stolen again later,
may not be a threat he is concerned about.

His concern seems to be that shutting the machine down may not be good enough
to protect against the laptop simply being stolen.

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