Re: Encrypting Harddisk?

From: Jedi Master (gunsmith@no.spam.gr)
Date: 06/30/02 

From: Jedi Master <gunsmith@no.spam.gr>
Date: Sun, 30 Jun 2002 22:17:10 +0300

On Sun, 30 Jun 2002 16:28:16 +0300, Nico Kadel-Garcia wrote:
>
> Covering the camera should trigger the remote alert and the local
> diskwipe. That's a *big* deal in some setups!
>
> The "motion" software package is good for this sort of thing: It's a CPU
> pig, but works reasonably well.
>
>> And a little question. How will the web cam know the differece of
>> covering the CCD or closing the case ? Both are just creating dark
>> isn't it ?
>
> The camera is *outside* on the rack. Anyone going near the system
> triggers it. AXIS makes nice rack-mount units for exactly this sort of
> setup.
Camera uses light in order to see things. What will happen at night?
Do we need to leave the lights open and have them plugged in a UPS ?
And what will happen if a lightbulb burns out ?
>
>> Or what whould happen if the camera *thought* something wrong ?
>>
>> > And a fast phone call from my homebase should occur immediately.
>> Only if I forget to remove the phone cable.
>
> And if the Flash ran through at FTL speeds, he could run down the wire
> and read the signals off the electrons, decode it, and type it into the
> chips without a keyboard!
>
> Yeah, right.
>
I didn't quite get this. Didn't you mean that it will alert YOU by phone?

>> > If you want to get wacko about it, use the really *old* aluminum
>> > disk packs with iron oxide magnetic coating and cause a head crash.
>> > The head scrapes the disk, finely spraying the case with finely
>> > powdered, fresh, non-oxide-coated aluminum and rust, and ignites it.
>> Or place a small nuclear device which would blow up the entire block.
>>
>> > Can you say "thermite"? Can you say "ignites the other disks in the
>> > tray"? Can you say "China syndrome"?
>> Can you say Hirosima? Can you say Nagasaki ?
>
> The failing disk packs were actually in common use in some radiological
> facilities built by Siemens.
>
>> I find this pathetic. NOONE has the right to erase someone else's data.
>> What I am asking you is : Whould you say to your customer that you have
>> placed a device that will wipe his data or ignite his machine if do
>> something that he isn't allowed ? Whould he BUY your machine then ? I
>> don't think so ....
>
> Read the original post. It's not the customer's data, it's the
> installer's machine with the installer's data. He can wipe it at choice.
I suppose that the customer has paied money for this program. You do NOT
have the right to erase HIS PAIED program at YOUR own will.
>
> There are facilities where physical destruction of such data is the only
> way to be sure it's unrecoverable: some remote military installations,
> maybe some bank installations. For the rest of us, simply repartitioning
> the disk and, if you have time, zeroing the disk is enough.
The military or perhaps the bank, wipes out their OWN data. Not others.
They are free to do what they want, and if you want to do something like
this in your house for your own data, you are free to do so.
What I am saying, is that you don't have the right to do this in someone
else.
Plus The conversation was about securing the data, NOT destroy them.
ALL of the methods shown here can be bypassed.
Network packets can be sniffed
Modem data can be intercepted (with a cost)
And if you are going to continue to post new, *better*, methods to
accomplish such thing, think of putting the machine in a safe box and
destroy the key. It will be much simpler, much cheaper and it is as
stupid as the things above.
I am not posting again in this thread. 

-- 
Gunsmith

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