Datierte Kurzeinträge und Writeups zu Security, Infrastruktur und AI-Engineering. Dated short entries and writeups on security, infrastructure, and AI engineering.https://kevinkulik.devAstrohttps://kevinkulik.dev/en/notes/anatomy-of-a-cvss-10https://kevinkulik.dev/en/notes/anatomy-of-a-cvss-10How a healthcare chatbot ended up with API keys in the frontend, why that scores a perfect 10, and what verifying the fix actually looked like.Sun, 16 Aug 2026 00:00:00 GMTsecuritydisclosurehttps://kevinkulik.dev/notes/nvme-ausfall-measure-then-optimizehttps://kevinkulik.dev/notes/nvme-ausfall-measure-then-optimizeEine NVMe fliegt aus dem ZFS-Mirror, null Datenverlust — und warum die eigentliche Arbeit erst nach dem Resilver anfing.Sun, 16 Aug 2026 00:00:00 GMThomelabzfsincidenthttps://kevinkulik.dev/en/notes/three-tier-isolationhttps://kevinkulik.dev/en/notes/three-tier-isolationWhy my infrastructure is split into three tiers — on-prem for sensitive data, a public dedicated server for volume, an edge VPS for keys — and what each tier is never allowed to do.Sun, 16 Aug 2026 00:00:00 GMTinfrastructuresecurityarchitecturehttps://kevinkulik.dev/log/#2026-08-16-design-pass-diese-seitehttps://kevinkulik.dev/log/#2026-08-16-design-pass-diese-seiteSun, 16 Aug 2026 00:00:00 GMTwebsitehttps://kevinkulik.dev/log/#2026-08-13-chat-cutoverhttps://kevinkulik.dev/log/#2026-08-13-chat-cutoverThu, 13 Aug 2026 00:00:00 GMThomelabchathttps://kevinkulik.dev/log/#2026-08-09-agent-baselinehttps://kevinkulik.dev/log/#2026-08-09-agent-baselineSun, 09 Aug 2026 00:00:00 GMTaihomelabhttps://kevinkulik.dev/log/#2026-08-08-nvme-ausfallhttps://kevinkulik.dev/log/#2026-08-08-nvme-ausfallSat, 08 Aug 2026 00:00:00 GMThomelabzfshttps://kevinkulik.dev/log/#2026-07-25-paperless-dedup-audithttps://kevinkulik.dev/log/#2026-07-25-paperless-dedup-auditSat, 25 Jul 2026 00:00:00 GMTdatapaperlesshttps://kevinkulik.dev/log/#2026-07-dns-migrationhttps://kevinkulik.dev/log/#2026-07-dns-migrationWed, 01 Jul 2026 00:00:00 GMThomelabdnshttps://kevinkulik.dev/log/#2026-06-23-zigbee-flashhttps://kevinkulik.dev/log/#2026-06-23-zigbee-flashTue, 23 Jun 2026 00:00:00 GMThome-assistantzigbeehttps://kevinkulik.dev/log/#2026-06-21-dedi-rebuildhttps://kevinkulik.dev/log/#2026-06-21-dedi-rebuildSun, 21 Jun 2026 00:00:00 GMTinfrastrukturhttps://kevinkulik.dev/log/#2026-05-homelab-rebuildhttps://kevinkulik.dev/log/#2026-05-homelab-rebuildFri, 01 May 2026 00:00:00 GMThomelab