Microsoft's enterprise software dominance gave it the distribution to move faster than any peer when AI capabilities became commercially viable. The Azure OpenAI Service partnership made GPT-4 available to enterprises before it was available to consumers. GitHub Copilot became the first AI coding assistant at enterprise scale. Satya Nadella's "Copilot for everything" strategy positioned AI as a feature layer across every Microsoft product. The Zero Trust for AI framework, announced at RSAC 2026, is the most significant enterprise security governance move from any major cloud provider to date.