[Ti] OT Erasing a hard drive

[Rick Banuelos]

On Tuesday, January 28, 2003, at 10:37  AM, Bill Palmer wrote:

> You might think so, but you'd be wrong.  Sufficiently motivated (and 
> funded), it is
> still possible to recover the data off a disk drive that has been 
> overwritten.  The
> data is stored in analog form, and minute traces of the previous state 
> of the bits can
> be recovered by small-signal analysis.
> There's a government standard for  securely erasing disk drives that 
> have been used to
> store sensitive materials, and my understanding is that it involves 
> repeatedly writing
> a number of different patterns designed to destroy those traces.
>

Eek! I guess I learn something new every day! Hopefully, nobody will 
see the formula I created for translucent steel on the powerbook I just 
sold! ;)

Thanks,


Rick Banuelos

teasethedog at mac.com