Tag: microsoft
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Inboxfuscation Tool Circumvents Microsoft Exchange Inbox Rules and Detection Controls
Advanced persistent threat actors increasingly target Microsoft Exchange inbox rules to maintain persistence and siphon sensitive data without raising alarms.
The newly released Inboxfuscation...
Critical “God Mode” Vulnerability Allows Unrestricted Access to Microsoft Cloud Tenants
A recent disclosure by security researcher Dirk-Jan Mollema has revealed CVE-2025-55241, a catastrophic flaw in Microsoft’s Actor token validation that allowed a single token,...
Microsoft OneDrive Auto-Sync Feature Exposes Enterprise Secrets in SharePoint Online
A critical security vulnerability in Microsoft's OneDrive auto-sync feature is silently exposing enterprise secrets at scale, according to new research from Entro Labs.
The...
Microsoft Windows Defender Firewall Flaws Allow Attackers Privilege Escalation
Microsoft’s September 2025 security update addresses four elevation-of-privilege flaws in the Windows Defender Firewall service, each rated Important in severity.
Detailed in the September...
New Malware Abuses Azure Functions to Host C2 Infrastructure
A sophisticated malware campaign has recently been uncovered that leverages Microsoft’s Azure Functions to host its command-and-control (C2) infrastructure, presenting a novel challenge for...
