tenant security

Below is a long-form, technically grounded feature on CVE-2026-24305 (Azure Entra ID — Elevation of Privilege). I’ve drawn on the official vendor signals that are currently public, independent vulnerability trackers, and the analyst notes you provided to explain what is known, what is uncertain...

A newly disclosed flaw in Windows Admin Center’s Azure Single Sign‑On flow can let an attacker with local administrator access on a single Azure VM or Azure Arc‑connected host break out of that host and impersonate privileged administrators to control every Windows Admin Center‑managed machine...

A newly exposed cluster of identity and management-plane flaws has rewritten the threat model for Windows administrators and cloud tenants: an Entra ID “actor token” validation failure that could enable largely undetectable, cross‑tenant impersonation combined with a high‑impact local...

If Copilot feels like unwanted bloat on your Windows 11 PC, you can remove or disable most of its visible components — but a truly permanent, universal removal is increasingly difficult because Microsoft has been delivering Copilot in multiple forms and via multiple channels; administrators and...

A growing number of Microsoft account holders report successful sign‑ins from IP addresses inside Microsoft’s own network despite having two‑factor authentication enabled — an uptick of incidents first detailed in a German investigation and corroborated by threads on Reddit and Microsoft’s own...

Microsoft’s latest Insider drops — packaged as KB5064089 for the Beta channel and KB5064093 for the Dev channel — extend Click to Do with deeper Microsoft 365 integration, bringing Live Persona (profile) cards into the on‑screen assistant and adding a “Convert to table with Excel” action, while...

Microsoft has quietly begun embedding three new Microsoft 365 “companion” apps into the Windows 11 taskbar — Calendar, File Search, and People — small, focused helpers designed to pull calendar events, corporate files, and contact details one click away from the desktop and reduce time lost to...

Phishing campaigns continue to evolve, adapting to security systems and adopting new tactics to dupe even vigilant users. Recent findings have uncovered a sophisticated Microsoft MFA phishing scheme that leverages the OAuth authorization framework—specifically, Microsoft OAuth applications—to...

When considering disaster resilience for Microsoft 365, the discussion often revolves around infrastructure, backup, and failover. However, insight from leading industry experts reveals a more foundational vulnerability—identity. At a pivotal summit hosted by Virtualization & Cloud Review, IT...

A significant security vulnerability has been identified in Synology's Active Backup for Microsoft 365 (ABM), potentially exposing sensitive data across all Microsoft 365 tenants utilizing this backup solution. This flaw, designated as CVE-2025-4679, was discovered by the security firm ModZero...

A critical vulnerability uncovered in Synology’s Active Backup for Microsoft 365 (ABM) has sparked concern throughout the global IT security community, shedding light on the intertwined risks associated with SaaS backup providers and cloud application supply chains. The flaw, now catalogued as...