The Microsoft Security Copilot Dynamic Threat Detection Agent is an AI-powered backend service that automatically detects hidden threats in Microsoft Defender XDR and Microsoft Sentinel environments. Announced at Microsoft Ignite 2025 and now available in public preview, this always-on agent uses artificial intelligence to identify security gaps that traditional rule-based detection systems miss.

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Microsoft released Windows 11 Insider Preview Build 26220.7523 (KB5072043) to the Dev and Beta Channels on December 19, 2025. This update for version 25H2 introduces Ask Copilot as an opt-in feature that complements traditional Windows Search on the taskbar, introduces system-wide AI agent infrastructure, and delivers improvements to accessibility, File Explorer, and core system components.

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Microsoft has introduced Windows 365 AI-enabled Cloud PCs, a new cloud-based computing solution that delivers AI-powered Windows experiences to any device. This offering differs significantly from Copilot+ PCs, which are physical computers with specialized AI hardware. This article compares the technical specifications, requirements, and capabilities of both platforms.

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Microsoft released Visual Studio Code version 1.107 with new features focused on Agent HQ, a multi-agent orchestration interface introduced in version 1.106. In version 1.107, background agents are promoted beyond pure CLI-based sessions: they run as named background tasks with isolated worktrees and richer context attachment, and appear as manageable sessions in the Agent HQ experience (the integrated Chat + sessions UI), rather than existing only as Copilot CLI or cloud sessions.

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Microsoft announced that advanced Intune Suite capabilities will be included in Microsoft 365 E3 and E5 subscriptions at no additional cost, expanding endpoint management and security features to more organizations. The changes take effect in 2026 and aim to help IT teams manage devices at scale while strengthening Zero Trust security.

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Microsoft announced price increases for Microsoft 365 and Office 365 commercial subscriptions. The new list prices will go into effect on July 1, 2026, though existing customers will generally not pay the higher rates until their next renewal after that date. The company justifies the changes by pointing to more than 1,100 new features added across the platform, particularly AI-powered capabilities, security enhancements, and device management tools.

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Microsoft released Windows 11 Insider Preview Build 26220.7344 (KB5070316) to the Dev and Beta Channels on December 5, 2025, delivering native support for the Model Context Protocol, the Unified Update Orchestration Platform, and Windows MIDI Services. The update also includes improvements to Quick Machine Recovery and the "Open With" dialog, as well as fixes for File Explorer, Windows Hello, and system stability issues.

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Agent Workspace is an experimental feature in Windows 11 that creates a separate, contained environment where AI agents can operate autonomously in the background. Microsoft is introducing this capability as part of its vision to transform Windows 11 into an AI-native operating system, allowing AI to perform complex tasks while users continue their regular work uninterrupted.

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Microsoft announced a series of significant security and resilience features coming to Windows 11 in 2026 at Ignite 2025. The updates focus on improving system recovery capabilities, enhancing encryption performance, and strengthening threat detection through native integration of advanced monitoring tools.

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Microsoft's announcement to transform Windows 11 into an agentic operating system has sparked widespread criticism from users and developers. The company's Windows chief, Pavan Davuluri, disclosed plans to evolve Windows into a system that connects devices, cloud, and AI to enable autonomous task execution. However, the response from the tech community has been overwhelmingly negative, forcing Microsoft to address concerns about the platform's direction. The backlash has brought AI skeptics and change-resistant IT professionals into the open.

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The new App Builder and Workflows agents in Microsoft 365 Copilot offer conversational interfaces that allow users to create applications and automate processes using natural language, eliminating the need for traditional development tools. The new agents are available to organizations with Microsoft 365 Copilot licenses enrolled in the Frontier program.

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In his latest video, CNBC contributor and popular tech podcaster Alex Kantrowitz dissects a Wall Street Journal article titled "Tens of Thousands of White Collar Jobs Are Disappearing as AI Starts to Bite." Kantrowitz argues that the sensational headline stokes panic about AI causing mass job loss, yet provides no evidence that AI can actually perform these jobs. In my view, Kantrowitz's perspective is naive.

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Microsoft is transforming Windows 11 into an AI-powered operating system with deep Copilot integration across the entire user experience. Users can now interact hands-free through Copilot Voice using wake-word activation, while Copilot Vision analyzes on-screen content to provide contextual assistance. The experimental Copilot Actions feature introduces autonomous agents that can perform real tasks on local files, from organizing photos to processing documents. Beyond Windows, Microsoft Edge gains AI capabilities through Copilot Mode, and a new animated character called Mico—reminiscent of the classic Clippy—adds personality to AI interactions.

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OpenAI entered the new web browser war with ChatGPT Atlas, a solid Perplexity Comet clone. However, OpenAI's web browser offers notable additional features worth copying, like memory, basic MCP support, a logged-in mode, and explicitly activating its Agent Mode.

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Microsoft has released the Azure DevOps local MCP Server as generally available, transitioning from public preview to production-ready status. The server enables AI assistants to access Azure DevOps data, including work items, pull requests, test plans, builds, and wikis. This allows IT professionals to automate DevOps workflows through natural language commands while maintaining data security within their local network.

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Microsoft announced new Copilot features for Windows and OneDrive during its third annual OneDrive digital event and a Windows Insider update. The updates introduce AI-powered file management in OneDrive, document creation and export capabilities for Office applications (Word, Excel, PowerPoint, and connectors for third-party services, including Google products.

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Microsoft 365 Premium combines productivity applications—Word, Excel, PowerPoint, OneNote, and Outlook—with advanced AI capabilities in a subscription plan launched in October 2025. The plan introduces "vibe working," Microsoft's term for iterative human-agent collaboration in which users guide AI through multi-step tasks to create documents, spreadsheets, and presentations. The subscription consolidates features from Microsoft 365 Family and the discontinued Copilot Pro subscription while introducing exclusive AI agents and elevated usage limits for individual subscribers.

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In my last post, I discussed Perplexity's aim to transform the familiar blinking web we've known for decades. It brings to mind the early days of Google, when many questioned the need for another search engine since AltaVista already did a good job. Although Comet appears to be just another Chromium-based web browser, the AI powering the browser under the hood has the same disruptive potential as Google's PageRank algorithm once did.

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Perplexity's new AI-powered Comet web browser, initially exclusive to Max subscribers at $200 monthly, is now accessible to Pro subscribers for $20. I tested it and am impressed—both by Perplexity's hypocrisy and Comet's truly innovative browsing experience. This post shares my rant against Perplexity, while my next post will praise Comet, the first browser on the battlefield in the new browser war.

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