From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
---|---|
To: | Andrew Sullivan <ajs(at)crankycanuck(dot)ca>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: postgres zeroization of dead tuples ? i.e scrubbing dead tuples with sensitive data. |
Date: | 2015-11-19 00:05:49 |
Message-ID: | 564D125D.70908@aklaver.com |
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Lists: | pgsql-general |
On 11/18/2015 01:51 PM, Andrew Sullivan wrote:
> On Wed, Nov 18, 2015 at 01:38:47PM -0800, Adrian Klaver wrote:
>> Alright, I was following you up to this. Seems to me deleted data would
>> represent stale/old data and would be less valuable.
>
> If the data that was deleted is sensitive, then the fact that you
> deleted it but that it didn't actually go away means you can be lulled
> into complacency about your vulnerability with respect to that data in
> a way that you're unlikely to be in respect of data you still have
> (only with new values). Lots of people forget about deleted data once
> it's deleted.
Yet another avenue I failed to see. Interesting discussion.
>
> Keep in mind that sometimes people delete data from a system because
> it's been archived somewhere else or something like that -- not all
> databases have the totality of all the relevant data in them, but can
> often represent just "current" data.
>
> Best regards,
>
> A
>
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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