Displaying 3 results from an estimated 3 matches for "secure_del".
2016 Jan 11
1
Learned something today
On 01/11/2016 06:50 AM, Always Learning wrote:
> Why not, on start-up, create a 'ram disk' and do your sensitive work in
> volatile RAM or is this what 'tmpfs' implies ?
I think that's what OP expected tmpfs to be, but it should be noted that
tmpfs *can* be swapped to disk, so it should not be used for data that
you don't want to ever hit non-volatile storage
2016 Feb 08
2
Utility to zero unused blocks on disk
...ta in remapped sectors.
>
> the only truly safe way to destroy data on magnetic media is to grind
> the media up into filings or melt it down in a furnace.
Without any intent to contradict... This article I found to be very
instructive reading:
https://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html
As far as hard drives are concerned, it changed my mind about magnetic
media (hard drives): from "you never will be able to securely destroy
data" to "one pass of writing zeroes is sufficient for modern drives.
Bringing platters over 1000 times deep into hysteresis back and for...
2016 Feb 08
7
Utility to zero unused blocks on disk
DBAN is obsolete. NIST 800-88 for some time now says to use secure erase or
enhanced security erase or crypto erase if supported.
Other options do not erase data in remapped sectors.
Chris Murphy