Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vEqwS-001n5G-Vg for pgsql-general@arkaria.postgresql.org; Fri, 31 Oct 2025 15:21:28 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.94.2) (envelope-from ) id 1vEqwR-00FYzp-TE for pgsql-general@arkaria.postgresql.org; Fri, 31 Oct 2025 15:21:26 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1vEqwQ-00FYzh-Tp for pgsql-general@lists.postgresql.org; Fri, 31 Oct 2025 15:21:26 +0000 Received: from fout-a2-smtp.messagingengine.com ([103.168.172.145]) by magus.postgresql.org with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vEqwN-005GXz-0A for pgsql-general@postgresql.org; Fri, 31 Oct 2025 15:21:25 +0000 Received: from phl-compute-02.internal (phl-compute-02.internal [10.202.2.42]) by mailfout.phl.internal (Postfix) with ESMTP id 0F245EC0083; Fri, 31 Oct 2025 11:21:20 -0400 (EDT) Received: from phl-mailfrontend-02 ([10.202.2.163]) by phl-compute-02.internal (MEProxy); Fri, 31 Oct 2025 11:21:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aklaver.com; h= cc:cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to; s=fm2; t=1761924080; x=1762010480; bh=wxjB9Qu1Vq4SB6sFS8mr2+wtRHBQ4R3QmnqPODZT0SI=; b= jtKcdVRgAx0XixlRiM0Idmf2H6MmrjfvXP92QI8f7QAfT1kjrXu2kb6YSK74XaEt VKj+3Vii7r8OatcO9S3E1S4WdBtwP1dNSn3OdN1NgEGfT8JwGPPNwmPQNF0I1uU4 wBE7vAC33Pua3jCYEBW5l0qGI4afxdygDx6BC4AdRd1KUbek5J11StjHnL3bAe9K bp9vP4+C0POt2KRVptX4dEjhOjJxUh58+xPfVMscYgJXErg4zW7FSUGpU6CY9rsr SXThHC0aCGsvoLw57zxMdZGBOEVq+tty3sg8U380fHN7+2Ygu5+EG+1onOGQo/Lz +YfhKt23bsrAoKEdmcZIIg== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:subject:subject:to:to:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm3; t=1761924080; x= 1762010480; bh=wxjB9Qu1Vq4SB6sFS8mr2+wtRHBQ4R3QmnqPODZT0SI=; b=W 8ikWoHJAY7K5/YC6TL25V88Z/FPvhwv5dItJKrGV366+IR2jEIfBe6rdFU7IRdgk NFgERvt7RoRcMTkSmI39GvRnFa5stgxfArjywgLR//u3kU8r6cVAcUHCuao4nUab HfItIUf+eY21Kn1bXhMoY4KfdZrQLyYUgWEh40bM1RVoB96c6g7FITHmVOtRXkAb IbEps+hZyu49eMIyCMpS2tdQbtrewGLzuoGjBQ+Dw4B2+3YcuPcHpNB5lUZGEyOS WdSD6DW7G77XvONoo5pcwzPMdci9uViYsz4LjdMmEgU7bkHAjTDe5knoog+QxivR 26RhU66H7JXzrMfcTOpeQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeeffedrtdeggdduieelkeegucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmnecujf gurhepkfffgggfuffvvehfhfgjtgfgsehtjeertddtvdejnecuhfhrohhmpeetughrihgr nhcumfhlrghvvghruceorggurhhirghnrdhklhgrvhgvrhesrghklhgrvhgvrhdrtghomh eqnecuggftrfgrthhtvghrnhephfeviefhveelffeftdehudekveefhfeftdegieefveet fffgfeehtdfftedutedtnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrg hilhhfrhhomheprggurhhirghnrdhklhgrvhgvrhesrghklhgrvhgvrhdrtghomhdpnhgs pghrtghpthhtohephedpmhhouggvpehsmhhtphhouhhtpdhrtghpthhtohepsghruhgtvg esmhhomhhjihgrnhdruhhspdhrtghpthhtohepkhgrihdrfigrghhnvghrsehpvghrtgho nhgrrdgtohhmpdhrtghpthhtoheplhgruhhrvghniidrrghlsggvsegthigsvghrthgvtg drrghtpdhrtghpthhtoheprhhonhhljhhohhhnshhonhhjrhesghhmrghilhdrtghomhdp rhgtphhtthhopehpghhsqhhlqdhgvghnvghrrghlsehpohhsthhgrhgvshhqlhdrohhrgh X-ME-Proxy: Feedback-ID: i76984098:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 31 Oct 2025 11:21:18 -0400 (EDT) Message-ID: Date: Fri, 31 Oct 2025 08:21:18 -0700 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Enquiry about TDE with PgSQL To: Bruce Momjian , Kai Wagner Cc: Laurenz Albe , Ron Johnson , pgsql-general References: Content-Language: en-US From: Adrian Klaver In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On 10/31/25 07:54, Bruce Momjian wrote: > On Fri, Oct 31, 2025 at 03:01:48PM +0100, Kai Wagner wrote: >> With the PCI DSS v4.1 standard, one key rule to comply with is, that "If PAN is > > Uh, I think you mean the 4.0.1 standard, which became active on January > 1, 2025. I am surprised this is only being mentioned now: > So it seems we have somewhat of a stand-off, with the Postgres project > questioning the value of TDE and the PCI writers doubling-down on > specifying disk-level encryption as insufficient. Yeah, what I would like to know is how many of the data breaches actually grab directly from the storage versus getting it through the database or other software above the storage? It seems to me social engineering plays a bigger role in this. -- Adrian Klaver adrian.klaver@aklaver.com