Re: Enquiry about TDE with PgSQL

On Fri, Oct 31, 2025 at 11:25 AM Greg Sabino Mullane <htamfids@gmail.com>
wrote:

> On Fri, Oct 31, 2025 at 10:54 AM Bruce Momjian <bruce@momjian.us> wrote:
>
>>         Disk-level and partition-level encryption typically encrypts
>>         the entire disk or partition using the same key, with all data
>>         automatically decrypted when the system runs or when an authorized
>> -->     user requests it. For this reason, disk-level encryption is not
>> -->     appropriate to protect stored PAN on computers, laptops, servers,
>>         storage arrays, or any other system that provides transparent
>>         decryption upon user authentication.
>>
>
> Hmm, I read this a few times but still not sure what the technical
> objection is. Yes, the entire disk is encrypted with the same key, but why
> is that insufficient to protect things? Anyone care to guess what they are
> thinking here?
>

Networking.

Who breaks into a DC and steals a rack of disks or SSDs?  Very, very few
evil-doers.
Who hacks into networks and exfiltrates data over the wire?  Many hackers.

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