Windows 11 is refreshing Secure Boot keys in 2026. Here's why TPM-WMI Event ID 1801 appears, and how to verify the new certificate.

The campaign exploits an Office vulnerability to deliver the modular XWorm RAT, chaining HTA, PowerShell, and in-memory .NET execution to sidestep detection and expand post-compromise control.

A surge in LummaStealer infections has been observed, driven by social engineering campaigns leveraging the ClickFix technique to deliver the CastleLoader malware.

What is PowerShell? Microsoft PowerShell is a powerful administrative tool that can help you automate tasks for your computer ...

Struggling with Command Prompt not opening as admin on Windows 11? Discover proven, step-by-step fixes to regain ...

Secure Boot has relied on the same security certificates to verify bootloaders since 2011, during the development cycle for Windows 8. But those original certificates are set to expire in June and ...

Microsoft's Defender Security Research Team has observed threat actors actively exploiting internet-exposed SolarWinds Web Help Desk instances in multi-stage intrusions that led to lateral movement ...

A new open-source and cross-platform tool called Tirith can detect homoglyph attacks over command-line environments by ...

CrashFix crashes browsers to coerce users into executing commands that deploy a Python RAT, abusing finger.exe and portable Python to evade detection and persist on high‑value systems.

Microsoft hasn't had an easy time with Windows 11 updates as of late, but in an unexpected move, the company just offered a very thoughtful, uncontroversial addition to Windows 11—the popular Sysmon ...

Managing Microsoft 365 and Azure Active Directory resources efficiently often requires automation tools beyond standard admin ...

China-linked Amaranth-Dragon and Mustang Panda target Southeast Asian governments using WinRAR exploit and PlugX phishing ...