The malware disables antivirus and EDR protections at the kernel level, clearing the path for credential harvesting, system reconnaissance, and eventual data exfiltration. An ongoing campaign, ...

For more than a year, a Russian-speaking threat actor targeted human resource (HR) departments with malware that delivers a new EDR killer named BlackSanta.

Iran-linked Dust Specter targeted Iraqi officials using fake ministry lures and new malware families uncovered by Zscaler.

Abstract: Fileless malware predominantly relies on PowerShell scripts, leveraging the native capabilities of Windows systems to execute stealthy attacks that leave no traces on the victim's system.

IntroductionIn January 2026, Zscaler ThreatLabz observed activity by a suspected Iran-nexus threat actor targeting government officials in Iraq. ThreatLabz discovered previously undocumented malware ...

The Sophia Script is an open-source PowerShell module designed to debloat and fine-tune Windows 11 (and Windows 10). It is ...

North Korean hackers are deploying newly uncovered tools to move data between internet-connected and air-gapped systems, spread via removable drives, and conduct covert surveillance.

PowerShell can do far more than most users realize. Explore 10 hidden capabilities that save time, improve reporting, and supercharge your workflow.

IntroductionIn December 2025, Zscaler ThreatLabz discovered a campaign linked to APT37 (also known as ScarCruft, Ruby Sleet, and Velvet Chollima), which is a DPRK-backed threat group. In this campaign ...

PowerShell modules allow you to combine multiple scripts to simplify code management. Learn step-by-step instructions for creating and using these modules.

PowerShell cross-platform limitations break Windows-only cmdlets, .NET dependencies, and Windows Forms GUIs on Linux. Dual booting and WinBoat enable Windows PowerShell compatibility but introduce ...