Copilot — Cowork general availability
Copilot Cowork is now generally available
Copilot Cowork has moved out of preview and is now generally available. It lets users build agents and skills that automate repetitive, multi-step work across Microsoft 365 — drafting content, producing reports, triaging tickets and more — bringing autonomous task handling to everyday users.
Security — AI agent threats
AutoJack: How a single page can RCE the host running your AI agent
Microsoft’s Security team breaks down “AutoJack,” a technique where a single malicious web page can achieve remote code execution on the machine hosting an AI agent. It’s a clear illustration of the new attack surface that autonomous agents create when they browse and act on untrusted web content.
Security — Email protection
Microsoft Defender email security benchmarking: Key insights from one year of data
Drawing on a full year of benchmarking data, Microsoft shares what it’s learned about email threats and how organisations’ protection stacks up over time. Useful context for anyone tuning their Defender email-security posture.
Security — Industry recognition
Forrester names Microsoft a Leader in the 2026 Extended Detection and Response Platforms Wave
Microsoft has been named a Leader in Forrester’s 2026 Wave for Extended Detection and Response (XDR) platforms, reflecting the strength of its unified, cross-domain detection and response offering.
Infrastructure — Azure at scale
Azure sets a new performance record for LLM training benchmark at extreme scale
Azure has set a new performance record on a large-language-model training benchmark at extreme scale, underscoring the platform’s strength for the very largest AI training workloads.
After hours
The Hidden Backdoors Inside Millions of Smart Devices – https://www.youtube.com/watch?v=apEPPKYgLL0
Editorial
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