-
Introducing Office in the new Microsoft Copilot app – Microsoft is bringing Word, Excel and PowerPoint creation and editing directly into the Copilot app. You can start in Chat or Cowork, have Copilot draft a document, spreadsheet or presentation, then keep editing and co-authoring it side by side with the conversation. Files are stored in OneDrive, so they keep their formatting, sharing permissions, version history and your organisation’s compliance and security labels. It is rolling out now to Frontier customers in Chat and Cowork. It shows Microsoft moving Office further inside the Copilot experience rather than keeping the two apart.
https://techcommunity.microsoft.com/blog/microsoft-copilot-blog/introducing-office-in-the-new-microsoft-copilot-app/4561230 -
Sending From Email Aliases – General Availability – The Exchange team has announced that sending from an email alias in Exchange Online is now generally available. This lets Outlook clients send as, and keep, an alias rather than having it swapped for the primary address. The feature has been in preview since 2022 and is switched on tenant-wide with the SendFromAliasEnabled setting. (The post itself is very short, so check it for the finer details and known limitations.)
https://techcommunity.microsoft.com/blog/exchange/sending-from-email-aliases-%E2%80%93-general-availability/4562543
Events
-
Windows, Surface & NVIDIA Event Highlights: Everything Announced in 16 Minutes – A CNET video recap of the Windows, Surface and NVIDIA event in San Francisco. Highlights include Microsoft Execution Containers (MXC) moving from preview to GA on Windows 11 so agents run in policy-controlled sandboxes, a new taskbar search with thousands of quick actions, and the ability to build native Windows apps from a single prompt in Copilot. On the hardware side it covers the new Surface Laptop Ultra and Surface RTX Spark Dev Box (pre-order now), plus NVIDIA RTX Spark laptops from several makers and DGX Station running Windows.
https://www.youtube.com/watch?v=K6QJp1edjmU
Security
-
The Microsoft AI and Agent Platform — Securing and Governing Intelligent Agents – Part 2 of a series on Microsoft’s AI and agent platform, focused on trust. It argues that securing agents goes well beyond prompt security, because agents combine models, tools, memory and identity, so controls are needed at every layer. Microsoft points to Agent 365 and Microsoft Purview for lifecycle management and data governance, least-privilege access for MCP, APIs and tools, and agent hooks for enforcing policy inside the agent loop. (Summary based on the post’s description and a third-party summary, as the page could not be opened directly.)
https://techcommunity.microsoft.com/blog/microsoft-security-blog/the-microsoft-ai-and-agent-platform-%E2%80%94-securing-and-governing-intelligent-agents/4562204 -
3 lessons from frontier AI vulnerability research – Microsoft’s FORGE Lab shares what it has learned using AI agents to find software vulnerabilities. From May to September 2026 the work helped uncover Windows flaws assigned 140 CVEs, and it submitted 155 validated reports across 23 open-source projects, including the Linux kernel. The three lessons are to focus on scale rather than just model capability, to spend reasoning effort where it removes uncertainty, and to treat validation and fixing as part of the discovery loop. The key point for security leaders is to count validated fixes, not just findings.
https://www.microsoft.com/en-us/security/blog/2026/10/07/3-lessons-from-frontier-ai-vulnerability-research/ -
Microsoft Defender for Endpoint IoCs: Manual, CSV Import, API & Partner Methods – A short Microsoft Security video showing the ways to add indicators of compromise (IoCs) in Defender for Endpoint. It walks through creating one manually in the portal, bulk importing a CSV, adding one from an entity during an investigation, and pushing them via API or partner integrations. A single IoC list is shared across Defender for Endpoint, Defender Antivirus and automated investigation.
https://www.youtube.com/watch?v=3pmRkMrwBdo
After hours
THE WATCH: America’s Nuclear Mission | Official Teaser Trailer
– https://www.youtube.com/watch?v=Nu1cyEFpCbE
Editorial
If you found this valuable, the I’d appreciate a ‘like’ or perhaps a donation at https://ko-fi.com/ciaops. This helps me know that people enjoy what I have created and provides resources to allow me to create more content. If you have any feedback or suggestions around this, I’m all ears. You can also find me via email director@ciaops.com and on X (Twitter) at https://www.twitter.com/directorcia.
If you want to be part of a dedicated Microsoft Cloud community with information and interactions daily, then consider becoming a CIAOPS Patron – www.ciaopspatron.com.
Watch out for the next CIA Brief next week
