The Lethal Trifecta Is Already on Your Laptops — Michael Patterson, Coder

Michael Patterson of Coder explains Simon Willison's lethal trifecta: private data access, exposure to untrusted content, and external communication, and why coding agents running on developer laptops hit all three. He covers prompt injection, the organizational blockers to enterprise agent rollout such as shadow AI and alert fatigue, and three architectural guardrails: cloud development environments, a model proxy, and an agent firewall.