Microsoft

Microsoft Reveals Copilot Cowork for M365 Enterprise Users

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Microsoft's Copilot Cowork automates tasks in Microsoft 365 using Work IQ, integrating with Anthropic's Claude for efficient meeting management and research. Targeted at enterprises, it enhances workflow coordination while ensuring security through compliance frameworks. The feature is in limited preview, with broader rollout planned for March 2026.

https://www.testingcatalog.com/microsoft-reveals-copilot-cowork-for-m365-users-to-rival-anthropic/

AI Won’t Break Microsoft 365. Your Security Backlog Will

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TLDR: AI attackers exploit existing configuration backlogs in Microsoft 365, targeting long-neglected security settings rather than zero-day vulnerabilities. With rapid deployment of AI technologies and common misconfigurations across tenants, risks escalate while defenders struggle to keep up, emphasizing the need for immediate action on known security gaps.

https://thehackernews.com/expert-insights/2026/02/ai-wont-break-microsoft-365-your.html

Is Microsoft 365 a Compliant EDRMS?

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Microsoft 365 can be used as an EDRMS if it complies with the Managing Digital Records in Systems Standard and the Minimum Recordkeeping Metadata Requirements Standard. Agencies must ensure information assets are protected, metadata is created, and information is accessible for the required duration. If M365 cannot be configured to meet these standards, integration with an EDRMS or saving information assets in an EDRMS is recommended.

https://archives.sa.gov.au/managing-information/Information-management/storing-information-assets/-is-microsoft-365-a-compliant-edrmsbusiness-system

Deploying Microsoft 365 Copilot in Five Chapters

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Microsoft's guide on deploying Microsoft 365 Copilot shares insights from rolling it out to 300,000 employees. The guide covers governance, implementation strategies, driving adoption, and building support foundations. It emphasizes the importance of proper data handling and employee engagement in AI adoption, using structured licensing phases for efficient rollout. Key lessons include maintaining compliance with data regulations, optimizing license management, and the significance of clear communication during the implementation process. Overall, the guide serves as a blueprint for organizations aiming to harness AI for productivity.

https://www.microsoft.com/insidetrack/blog/deploying-microsoft-365-copilot-in-five-chapters/

Microsoft Brings AI-powered Investigations to Security Teams

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Microsoft Purview Data Security Investigations launched, enabling efficient security investigations (e.g., data breaches, internal fraud). Integrates across Microsoft 365, uses GenAI for data analysis, offers natural language search, and includes mitigation actions. Usage-based pricing for storage and analysis.

https://www.helpnetsecurity.com/2026/01/27/microsoft-purview-data-security-investigations/

11 Cool Things Copilot Can Do in Excel

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Microsoft’s Copilot AI assistant in Excel is becoming increasingly useful for spreadsheet work. It can perform various actions, including cleaning up spreadsheets, creating new columns or rows, generating pivot tables, applying conditional formatting, and creating charts and graphs. Copilot can also explain formulas, create custom formulas, summarize spreadsheets, identify trends or unusual values, calculate hypothetical projections, and be embedded within cells for further functionality.

https://www.computerworld.com/article/4119411/11-cool-things-copilot-can-do-in-excel.html

Microsoft Copilot to Soon Get M365 Graph Integration for Smarter, More Personal Answers

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Microsoft Copilot is enhancing its AI capabilities with M365 Graph integration, allowing for more personalized, context-aware responses based on user activity within Microsoft 365. This upgrade aims to improve relevance and utility while giving users better control over Copilot's memory and preferences. Scheduled for rollout in March, additional features may include AI content watermarks.

https://windowsreport.com/microsoft-copilot-gains-m365-graph-integration-for-smarter-more-personal-answers/

Bypassing Windows Administrator Protection

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TLDR: Project Zero's blog discusses Windows 11's new Administrator Protection feature, intended to enhance security over the old UAC system. Despite improvements, vulnerabilities allowing bypass of this protection were identified by security researcher James Forshaw during initial testing. He discovered multiple means to gain administrative privileges, attributing the flaws to the interrelated behaviors of Windows security mechanisms. Ultimately, a fix was issued by Microsoft to mitigate these bypasses, but the analysis suggests a more radical overhaul of Windows security measures may be needed to truly address longstanding issues.

https://projectzero.google/2026/26/windows-administrator-protection.html

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