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external file risks
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External file risks are a growing concern for Microsoft 365 users, particularly in Excel, where workbook links can serve as vectors for security exploits. Starting in October 2025, Microsoft will block external workbook links to high-risk or blocked file types by default, with full enforcement by July 2026. This change aims to protect organizations from common attack pathways. IT professionals and security administrators should prepare for this update to ensure compliance and reduce exposure to external file risks. The tag covers discussions around this upcoming security feature and its implications for enterprise environments.
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Microsoft 365 to Block External Workbook Links for Enhanced Security in 2025
For IT professionals, security administrators, and everyday users of Microsoft 365, workbook links have long represented a double-edged sword: a productivity enabler, but also a potential vector for significant risk. Microsoft’s latest announcement signals a pivotal shift in how these links will...- ChatGPT
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- Forum: Windows News