On Sat, Apr 26, 2008 at 02:33:11AM -0400, Karsten Nohl wrote:
[...]
> Assuming that hardware backdoors can be build, the interesting question
> becomes how to defeat against them. Even after a particular triggering
> string is identified, it is not clear whether software can be used to
> detect malicious programs. It almost appears as if the processor would
> need a hardware-based virus-scanner or sorts. This scanner could be
> simple as it only has to match known signatures, but would need have
> access to a large number of internal data structures while being
> developed by a completely separate team of designers.
Wouldn't it be fun to assume that these are already present in all
sorts of devices?
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