From 3c128c213fb54e10465c9baaef79218f4be9f335 Mon Sep 17 00:00:00 2001 From: Philip Haas Date: Wed, 12 Aug 2026 09:32:53 +0200 Subject: [PATCH 1/6] Create index.md --- blog/2026/06-fits-c5/index.md | 1 + 1 file changed, 1 insertion(+) create mode 100644 blog/2026/06-fits-c5/index.md diff --git a/blog/2026/06-fits-c5/index.md b/blog/2026/06-fits-c5/index.md new file mode 100644 index 00000000..8b137891 --- /dev/null +++ b/blog/2026/06-fits-c5/index.md @@ -0,0 +1 @@ + From 12540f398fb86371ac03027762a20cc2ec43ab4a Mon Sep 17 00:00:00 2001 From: Philip Haas Date: Wed, 12 Aug 2026 09:36:37 +0200 Subject: [PATCH 2/6] Update index.md --- blog/2026/06-fits-c5/index.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/blog/2026/06-fits-c5/index.md b/blog/2026/06-fits-c5/index.md index 8b137891..56294429 100644 --- a/blog/2026/06-fits-c5/index.md +++ b/blog/2026/06-fits-c5/index.md @@ -1 +1,22 @@ +--- +title: C5 Attestation Highlights metal-stack’s Maturity for Regulated Environments +shortDescription: A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. +description: A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. +watermark: "Blog" +date: 2026-08-12T10:00:00+01:00 +authors: [philiphaas] +type: "blog" +tags: + - news + - certification + - c5 +--- +A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. +The assessment confirms that the operational and security controls required by the BSI’s C5 framework can be successfully implemented on top of metal-stack-based environments. + +For the metal-stack community, this is an important milestone. It demonstrates that transparency, open collaboration, and vendor-independent infrastructure can go hand in hand with demanding compliance requirements. + +Thanks to everyone who contributes to making metal-stack a reliable foundation for sovereign and secure cloud platforms. + +Learn more about the C5 attestation of FI-TS in the [x-cellent blog](https://x-cellent.com/blog/fi-ts-erreicht-c-5-testat-metal-stack-beweist-eignung-fur-hochregulierte-cloud-umgebungen). From 2ba8cf651c5d3c38e56704005ba9e9f5cda33576 Mon Sep 17 00:00:00 2001 From: Philip Haas Date: Wed, 12 Aug 2026 09:37:01 +0200 Subject: [PATCH 3/6] Update index.md --- blog/2026/06-fits-c5/index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/blog/2026/06-fits-c5/index.md b/blog/2026/06-fits-c5/index.md index 56294429..cda83129 100644 --- a/blog/2026/06-fits-c5/index.md +++ b/blog/2026/06-fits-c5/index.md @@ -1,6 +1,6 @@ --- title: C5 Attestation Highlights metal-stack’s Maturity for Regulated Environments -shortDescription: A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. +shortDescription: Recent C5 attestation achieved by FI-TS for cloud services built on metal-stack. description: A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. watermark: "Blog" date: 2026-08-12T10:00:00+01:00 From 12596c828a28aa241151167740f7ea1af5b4a5af Mon Sep 17 00:00:00 2001 From: Philip Haas Date: Wed, 12 Aug 2026 09:44:52 +0200 Subject: [PATCH 4/6] Update index.md --- blog/2026/06-fits-c5/index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/blog/2026/06-fits-c5/index.md b/blog/2026/06-fits-c5/index.md index cda83129..ec7c2e6a 100644 --- a/blog/2026/06-fits-c5/index.md +++ b/blog/2026/06-fits-c5/index.md @@ -1,5 +1,5 @@ --- -title: C5 Attestation Highlights metal-stack’s Maturity for Regulated Environments +title: metal-stack meets C5 standards shortDescription: Recent C5 attestation achieved by FI-TS for cloud services built on metal-stack. description: A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. watermark: "Blog" From f5708c6a509eda294665990d61873159da603cf9 Mon Sep 17 00:00:00 2001 From: Philip Haas Date: Thu, 13 Aug 2026 08:46:14 +0200 Subject: [PATCH 5/6] Update blog/2026/06-fits-c5/index.md Co-authored-by: Gerrit --- blog/2026/06-fits-c5/index.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/blog/2026/06-fits-c5/index.md b/blog/2026/06-fits-c5/index.md index ec7c2e6a..0f1e5eb2 100644 --- a/blog/2026/06-fits-c5/index.md +++ b/blog/2026/06-fits-c5/index.md @@ -13,7 +13,7 @@ tags: --- A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. -The assessment confirms that the operational and security controls required by the BSI’s C5 framework can be successfully implemented on top of metal-stack-based environments. +The assessment confirms that the operational and security controls required by the BSI's C5 framework can be successfully implemented on top of metal-stack-based environments. For the metal-stack community, this is an important milestone. It demonstrates that transparency, open collaboration, and vendor-independent infrastructure can go hand in hand with demanding compliance requirements. From b2664b1e4d6c481462a114ea64318ed13c9e8d79 Mon Sep 17 00:00:00 2001 From: Philip Haas Date: Thu, 13 Aug 2026 11:07:03 +0200 Subject: [PATCH 6/6] Update index.md --- blog/2026/06-fits-c5/index.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/blog/2026/06-fits-c5/index.md b/blog/2026/06-fits-c5/index.md index 0f1e5eb2..a897dce6 100644 --- a/blog/2026/06-fits-c5/index.md +++ b/blog/2026/06-fits-c5/index.md @@ -13,6 +13,8 @@ tags: --- A recent C5 attestation achieved by FI-TS for cloud services built on metal-stack is another strong signal that open-source infrastructure is ready for highly regulated workloads. +C5 (Cloud Computing Compliance Criteria Catalogue) is a catalogue of security criteria developed by Germany’s Federal Office for Information Security (BSI) to assess the security of cloud services. + The assessment confirms that the operational and security controls required by the BSI's C5 framework can be successfully implemented on top of metal-stack-based environments. For the metal-stack community, this is an important milestone. It demonstrates that transparency, open collaboration, and vendor-independent infrastructure can go hand in hand with demanding compliance requirements.