Can Any Password be compromised ?

Can Any Password be compromised ?
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Subject Author Date
Can Any Password be compromised ? invntrr 07-07-2007
Posted by invntrr on July 7, 2007, 4:34 pm
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If I put an operating system on a new hard drive and set the old master disk
to slave ... I can copy the contents of the slave is there any way I can't ?
I know that will work on XP.
Forget bios Password ...just pop battery and reinstall.

Tom



Posted by Sebastian G. on July 7, 2007, 5:24 pm
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invntrr wrote:

> If I put an operating system on a new hard drive and set the old master disk
> to slave ... I can copy the contents of the slave is there any way I can't ?
> I know that will work on XP.
> Forget bios Password ...just pop battery and reinstall.

Thanks for stating the obvious. If the attacker has physical access, then
your system can get compromised. The common solution is a lock at the case.

Posted by invntrr on July 7, 2007, 5:33 pm
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> invntrr wrote:
>
> > If I put an operating system on a new hard drive and set the old master
disk
> > to slave ... I can copy the contents of the slave is there any way I
can't ?
> > I know that will work on XP.
> > Forget bios Password ...just pop battery and reinstall.
>
> Thanks for stating the obvious. If the attacker has physical access, then
> your system can get compromised. The common solution is a lock at the
case.

Is it possible to power up and boot from CD?
I have seen programs that claim access that way



Posted by invntrr on July 7, 2007, 5:40 pm
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>
> > invntrr wrote:
> >
> > > If I put an operating system on a new hard drive and set the old
master
> disk
> > > to slave ... I can copy the contents of the slave is there any way I
> can't ?
> > > I know that will work on XP.
> > > Forget bios Password ...just pop battery and reinstall.
> >
> > Thanks for stating the obvious. If the attacker has physical access,
then
> > your system can get compromised. The common solution is a lock at the
> case.
>
> Is it possible to power up and boot from CD?
> I have seen programs that claim access that way
>
Then provide software to hack the password .
I personally know of a device that is able to overlap bios making it
possible to make a bios password useless



Posted by Vanguard on July 7, 2007, 7:01 pm
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>
> Is it possible to power up and boot from CD?
> I have seen programs that claim access that way

Yep. That's how you got Windows XP installed in the first place. There
are lots of LiveCD distros for Linux. BartPE's CD is bootable. As
Sebastian already said, if you permit physical access to the host then
it can be compromised. Why do you think the server room at the company
remains locked?

> I personally know of a device that is able to overlap bios making it
> possible to make a bios password useless

Since the BIOS runs first, no "overlap BIOS" program has yet run to
obviate the action of the BIOS - that of requiring the system password.
Booting from any device happens after the BIOS has already asked for the
system password. BIOSes on daughtercards run after the system BIOS so
they can't obviate the system BIOS, either.

Name the purported BIOS "overlap" device so we know you really know what
you claim to know.


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