CybersecuritySoftware

Microsoft Blocks Windows File Previews Over Security Fears

Microsoft has quietly disabled file preview capabilities for internet-downloaded documents in Windows 11, citing vulnerability to credential theft. The change affects files with the “Mark of the Web” attribute and represents the latest in a series of security moves this month. Security analysts suggest the blanket approach might inconvenience legitimate users while addressing a specific NTLM hash leakage risk.

Microsoft appears to be taking a scorched-earth approach to a specific Windows security vulnerability, with reports indicating the company has disabled file previews for all internet-downloaded documents. The change, which reportedly took effect October 14, automatically blocks File Explorer’s preview function for any files bearing the “Mark of the Web” attribute—Microsoft’s method for flagging content obtained from online sources.

Credential Theft Concerns Prompt Drastic Action

Business SoftwareCloud Computing

Windows 10 Final Update Delivers Record 173 Security Patches as Microsoft Shifts Focus to Windows 11

Microsoft has released its final monthly update for Windows 10 with a record-breaking 173 security patches, including nine critical vulnerabilities and six zero-day exploits. The company simultaneously rolled out significant AI enhancements for Windows 11, signaling the official transition between operating systems.

Historic Final Update for Windows 10

Microsoft has delivered what sources indicate is the final monthly update for Windows 10 after a decade of support, marking the end of an era for the widely-used operating system. According to reports from the company’s October security update guide, this final patch bundle contains a record 173 security fixes – the largest single-month release of 2025.