Re: Security-Compromised NT System [what can they see?]

From: Jim MacArthur (zzalsajm@fs1.mspamcspamcspam.ac.uk)
Date: 02/20/02


From: Jim MacArthur <zzalsajm@fs1.mspamcspamcspam.ac.uk>
Date: Wed, 20 Feb 2002 11:03:26 +0000


On 19 Feb 2002, SN wrote:
> Can they install a program to watch what I typed when I keyed in my
> password [passphrase] when I conventionally encrypt a sensitive file
> using PGP??
If someone else could have administrator-level access to your computer,
assume that they can watch and log everything you type and can see your
display. Since it's their computer, I think they're entitled to do this -
I suppose it depends on your local laws.

> How do I implement counter-measures, any softwares that will let me
> know if my keypress are being logged? Unfortunately I am not allowed
> to reinstall Windows NT on this system, I once brought in softwares to
> reinstall but the enemy had the management ordered me to stop. Until
> I find a new job (I am working on this), I need some kind of
> counter-measures. Any advice? THanks in advance.
You could find various bits of trojan software from the web and look for
evidence of them on your computer, but in general there's no way to find
out. If done 'properly' it would be impossible to detect while running the
operating system. The only way I can think of would be to boot off a
floppy with enough software on it to read the NTFS partition, and search
through it for anything that isn't an original version of a Windows NT 4
file. But wouldn't it be better to use the computer just for what you're
supposed to be using it for and make sure you get a reference when you do
leave?

Jim



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