Copilot Cowork is now generally available, and Microsoft is explicitly leaning into usage-based billing with tenant/group/user spend caps, alerts, and user-initiated credit requests. The Reddit thread is already treating this as a hard enterprise budget line item, and Axios reports Microsoft is also evaluating DeepSeek for Cowork to help with operating cost. Sources: Microsoft ; Reddit ; Axios
Copilot Studio got a major rebuild for more complex multi-step work. Microsoft says the new experience cuts configuration tabs from nine to four, adds a workflow designer that mixes structured steps with agents, and the current what’s-new page lists Mistral Medium 3.5 as an experimental primary model option. Reddit is discussing the UI, orchestrator, RAG, skills, and workflows as a real platform shift. Sources: TechCommunity ; Microsoft Learn ; Reddit
Microsoft is pushing Security Copilot deeper into autonomous SOC work. Today’s Sentinel/Defender post introduces a Triage agent for high-volume phishing, identity, and cloud alerts, framing it as part of a unified Defender experience for security operations teams. Source: TechCommunity
Agent 365 telemetry is now a first-class security signal in Microsoft Sentinel through the public-preview Agent 365 connector, which streams agent activity into the Sentinel data lake for hunting and investigation. The current r/AzureSentinel discussion shows practitioners already thinking about how to operationalize it. Sources: TechCommunity ; Reddit
SpaceX’s $60B stock acquisition of Cursor is the big coding-agent market shock of the day. The HN thread is already debating what the deal means for Copilot, Cursor’s data moat, and whether IDEs are now strategic AI infrastructure, while Reddit is treating it as a huge bet on coding-agent distribution. Sources: TechCrunch ; Hacker News ; Reddit