-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512

On 17.08.2016 09:47, Robin Schneider wrote:
> On 17.08.2016 04:45, neilhard...@gmail.com wrote:
>> The Qubes website recommends SSD drives.
> 
>> Is there any particular reason..?
> 
>> Does Qubes use read/write to the hard drive any more than Windows... to
>> the point where it's going to cause drive failure a lot earlier..?
> 
>> Or is it simply a speed thing..?
> 
>> Or what.?
> 
> 
> Hi
> 
> I am pretty sure the main reason is speed. Also depending on your setup 
> (snapshots/btrfs) there might be alot of random read operations.
> 
> But when you look at the recently published paper [DiskFiltration: Data 
> Exfiltration from Speakerless Air-Gapped Computers via Covert Hard Drive 
> Noise][1] there might also be another good reason to use SSDs ;)
> 
> [1]: https://arxiv.org/pdf/1608.03431v1.pdf

To bring the paper into perspective in regards to Qubes OS: Qubes OS does
mitigate such an possibility already in that only the VM which controls a
(S)ATA controller with an HDD attached could do that. So the impact of such a
side-channel data leak should be pretty low for Qubes OS users when you keep
that in mind.

- -- 
Live long and prosper
Robin `ypid` Schneider
-----BEGIN PGP SIGNATURE-----
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=4iX2
-----END PGP SIGNATURE-----

-- 
You received this message because you are subscribed to the Google Groups 
"qubes-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to qubes-users+unsubscr...@googlegroups.com.
To post to this group, send email to qubes-users@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/qubes-users/20851865-c3e6-8056-7d99-3900428bf667%40riseup.net.
For more options, visit https://groups.google.com/d/optout.

Reply via email to