BluOryn — Architecture playbooksLong-form essays from BluOryn senior architects. Cloud cost, BI lakehouse, zero-trust, SaaS engineering, applied AI.https://www.bluoryn.com/en-us© 2026 BluOryn Technologieshttps://www.bluoryn.com/assets/brand/bluoryn-logo.pngBluOrynhttps://www.bluoryn.comThe Zero-Trust MSA Playbook: how we cut $40M in F500 security overheadhttps://www.bluoryn.com/blog/zero-trust-msa-playbook/https://www.bluoryn.com/blog/zero-trust-msa-playbook/The exact reference architecture, decision matrix, and rollout phases that took a Fortune 500 security program from compliance bottleneck to competitive advantage. Includes the architecture decision records we shipped. [Premium playbook — unlock at https://www.bluoryn.com/blog/zero-trust-msa-playbook/]Wed, 20 May 2026 00:00:00 GMTtrueCTO · ex-VMware, IBM, Dell, HPEsecurityzero-trustsecuritymsamicroservicescompliancedorafinopsHarish AroraStop demoing RAG. Start measuring it.https://www.bluoryn.com/blog/rag-evaluation-harness/https://www.bluoryn.com/blog/rag-evaluation-harness/The gap between a working RAG demo and a production-grade RAG system is an evaluation harness. Here's what we actually run before shipping AI features for clients.Wed, 08 Apr 2026 00:00:00 GMTPlatforms Manageraiairagllmevaluationgenerative-aiHriday VigDORA isn't a compliance checklist. It's an architecture mandate.https://www.bluoryn.com/blog/dora-compliance-isnt-just-a-checklist/https://www.bluoryn.com/blog/dora-compliance-isnt-just-a-checklist/Most EU financial firms are treating DORA as a paperwork exercise. The ones surviving the first audit cycle treated it as an architecture rewrite. Here's the difference.Sat, 14 Feb 2026 00:00:00 GMTStrategic Advisor, GRC & Cyber Security · ex-KPMG, Deloitte, PwCsecuritydoracompliancefinopseufintechsecurityBimal Jeet KaurWhy the EU Mittelstand needs cloud architects, not cloud salespeoplehttps://www.bluoryn.com/blog/why-eu-mittelstand-needs-cloud-architects/https://www.bluoryn.com/blog/why-eu-mittelstand-needs-cloud-architects/Mid-market firms in Germany, France and Switzerland routinely overspend on cloud by 30–60%. Here's why architects beat resellers for fixing it.Sat, 01 Nov 2025 00:00:00 GMTCTO · ex-VMware, IBM, Dell, HPEfinopscloudmittelstandcost-optimizationeufinopsHarish Arora