A backup your ransomware can delete is not a backup. Here are my 4 layers.
Modern ransomware deletes your backups first. The four layers of defense in depth I built so an attacker who is already admin can destroy nothing.
5 min readBlog
Insights on IT infrastructure, AI-powered operations, cybersecurity and DevOps.
I replaced a broker's proprietary hypervisors with open-source. Without ever stopping trading.
Migrating a broker's virtualization from Hyper-V to Proxmox in production, with zero downtime: the rolling method, the shared-storage trap, and the gotchas nobody documents.
11 min readI built a real-time trading platform with an AI. Then the clock started lying.
An asyncio event-loop starvation stretched my real-time trading sessions by 1.2x to 5.5x. One slow client stalled the whole loop. The diagnosis, and the two fixes.
8 min readI gave an AI SSH access to my infrastructure. Here's what happened.
How a Head of IT uses Claude AI as an infrastructure co-pilot: network audits, automated documentation, open source monitoring. A 3-month field report.
9 min read