Blog
Notes on identity, security and the move into AI engineering.
- 15 Sept 2026
Building a Homelab SOC on a Raspberry Pi with MCP and Microsoft Graph
How I turned a £70 Raspberry Pi 4 into a real-time security operations centre — complete with MCP servers, a live dashboard, Microsoft Graph alerting, and Tailscale as the backbone.
- 06 Sept 2026
I rebuilt my website with AI agents in six days. Here's what that actually looked like.
A first-person account of rebuilding cohenholmes.co.uk with Claude Code and GitHub Copilot — what got built, what went wrong, and why running two orchestrating agents on one repo was a mistake.
- 03 Sept 2026
Conditional Access policies: what exactly are they, and where do you start?
A practical, ordered baseline for rolling out Microsoft Entra Conditional Access in a normal commercial tenant — the reasoning and the traps, not a 40-policy checklist nobody deploys.