report cards read-only on floppy

[Sy Ali]

On 11/28/06, Sy Ali <sy1234-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org> wrote:
> On 11/28/06, Mike Oliver <moliver-fC0AHe2n+mcIvw5+aKnW+Pd9D2ou9A/h at public.gmane.org> wrote:
> >  (You might want to shred the copy remaining
> > on your HDD afterwards, for privacy reasons.)
>
> This is going off topic from this thread, but I wanted to comment that
> this wouldn't be secure on most filesystems..
>
> 1) I write a file to my disk
> 2) I repeatedly edit, and overwrite that file.  The file could now be
> physically stored in a different location of the disk.
> 3) shred the file on my disk
> 4) notice that the old copies of the file are still scattered
> insecurely throughout the disk.

So yes, file shreding and free space wiping is the answer.. but it's
terribly inconvenient to do sometimes.. so maybe using a thumb drive
etc is indeed easier for security reasons (and worse for lifespan
reasons)
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