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Winsage
March 1, 2026
Cybercriminals are exploiting a legacy feature in Windows File Explorer, specifically the WebDAV protocol, to distribute malware and bypass traditional security measures. Despite Microsoft deprecating native WebDAV support in November 2023, it remains active on many systems. Attackers use WebDAV to deceive victims into executing malicious payloads by sending links that connect File Explorer directly to remote servers, avoiding web browsers and their security warnings. They employ methods such as direct linking, URL shortcut files, and LNK shortcut files to deliver exploits. The primary objective of these campaigns, which surged in late 2024, is to deploy Remote Access Trojans (RATs), with 87% of Active Threat Reports involving multiple RATs like XWorm RAT, Async RAT, and DcRAT. These campaigns predominantly target corporate networks in Europe, with many phishing emails written in German and English. Attackers use short-lived WebDAV servers hosted on Cloudflare Tunnel demo accounts to obscure their infrastructure. Security analysts are advised to monitor unusual network activity from Windows Explorer and educate users to verify addresses in File Explorer.
Winsage
January 20, 2026
Microsoft has released an update for its Edge browser, version 144.0.3719.82, which includes bug fixes, feature enhancements, and improvements. Key fixes include resolving a browser crash during file uploads. New features include: - Default Profile for External Links: Uses the Primary Work Profile for opening external links. - Management Enrollment Token Policy Update: Requires configuration directly from the platform. - Performance Settings Update: Renames efficiency mode to "Energy Saver" and PC gaming feature to "PC Gaming Boost." - Tenant Restrictions v2 (TRv2): Blocks access from unauthorized Microsoft 365 tenants. - Copilot Icon Management: Users can manage the visibility of the Copilot icon in the toolbar. - Contextual Nudges: Provides summaries of open pages from the address bar. - Enhanced Autofill Experience: Prompts users to save addresses intentionally. - Desktop Visual Search: Allows sending images to Bing Visual Search for identification. The update also allows users to hide the Copilot icon and discontinues the Collections feature.
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