The Signal — March 30, 2026 (Evening): Copilot Cowork, RSAC Recap, and AI SOC Measurement

Monday, March 30, 2026 — Evening Edition

🔄 Microsoft Ships Copilot Cowork: Multi-Agent Orchestration Inside M365
Agents & Autonomy
Microsoft launched Copilot Cowork in its Frontier tier — a supervisor model that dispatches specialized AI agents across Excel, Word, PowerPoint, and Teams. Multi-agent orchestration is now default infrastructure inside the world's most-used productivity suite, not experimental tooling.

🛡️ RSAC 2026 Recap: Agentic AI Dominated, Active Defense Emerged
AI Security
The definitive conference recap confirms agentic AI security was the dominant theme across RSAC 2026 — from Cisco's keynote on the agentic workforce to multiple vendor launches around agent identity and active defense frameworks. Enterprise security priorities for 2026 were set this week.

📊 AI SOC Agents: Most Teams Fail to Measure Real Outcomes (Gartner Framework)
AI Security
Prophet Security breaks down Gartner's new framework for evaluating AI SOC agents, finding most security teams deploy AI alert triage without measuring whether it actually reduces mean time to respond. The first structured methodology for separating real agent value from vendor hype in security operations.

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