Digest #238: Cursor extension backdoor, GitHub runners on AWS and 1M Postgres workflows/sec

Also inside: Cloudflare's D1 control plane, cheaper BigQuery queries, and rotating 1,000 service-account passwords.

A malicious Claude Code extension in Cursor’s marketplace tried to install a persistent SSH backdoor. This week’s tutorials cover tracing failures across Terraform stacks, troubleshooting GKE traffic…