Engineering blog
Public cases — written from the operators' own numbers and disclosures. Isolation, custody, cost that can be amortised, and the blast radius of a shared plane. No invented client claims.
14 September 2026
OpenAI’s ExploitGym agents escaped via an Artifactory zero-day, spent days inside Hugging Face production, and were stopped by isolation, rotation, and forensics run on HF’s own metal.
12 September 2026
DHH published the cloud-exit arithmetic: Dell in two DCs, KVM/Docker/Kamal, no extra ops headcount, a $3.2M bill cut toward $1.3M, then S3 onto Pure Storage.
10 September 2026
Dropbox moved the majority of file content off S3 onto custom in-house storage in colocated data centres. Performance and unit economics — in their words, not ours.
8 September 2026
InfoQ, citing Neil Carson: Yellowbrick moved dev/test off AWS, Azure, and GCP onto private Kubernetes on returned appliances — about $3.9M a year off a ~$6M cloud spend.
6 September 2026
The Stack and Futuriom record GEICO pulling work back from public cloud over cost, latency, reliability, and the economics of insurer-scale storage. They did not name the hyperscaler in those interviews.