Windows

Windows 11 26H1 Security Update Expands Secure Boot Certificate Protection

Microsoft has released the cumulative security update for September 2026 for Windows 11 version 26H1. This update expands the range…

1 month ago

One Stolen Active Directory File Can Expose Credentials for an Entire Windows Domain

A single stolen Active Directory database can turn a limited Windows intrusion into a domain-wide credential compromise. Threat actors that…

2 months ago

PAYLOAD Ransomware Abuses Active Directory Group Policy to Disrupt Entire Windows Domain

A ransomware incident in which attackers used Active Directory Group Policy to disrupt operations without deploying a Windows encryptor or…

2 months ago

New Rapuncel Infostealer Abuses Microsoft-Signed Driver to Disable 145 Security Tools

A newly identified information-stealing campaign, tracked as Rapuncel, is exploiting a Microsoft-attested kernel driver to terminate up to 145 antivirus…

2 months ago

New SETTRA Ransomware Uses MeshAgent RMM and BYOVD to Encrypt Windows Systems

A newly observed ransomware operation dubbed SETTRA is abusing the legitimate MeshAgent remote monitoring and management platform for persistence while…

2 months ago

Chinese-Speaking Hackers Use Noodle RAT Backdoor to Spy on Windows and Linux Systems

Chinese-speaking threat actors are continuing to rely on Noodle RAT, a cross-platform remote access trojan designed to maintain covert access…

2 months ago

PAPERMILL Malware Campaign Abuses Signed Notepad++ to Deliver VenomRAT to Windows Users

A newly identified phishing operation tracked as PAPERMILL is abusing a legitimately signed Notepad++ executable, DLL sideloading, and layered in-memory…

2 months ago

AsyncRAT Malware Abuses AutoIt and PowerShell to Hide Inside Legitimate Windows Process

A five-stage AsyncRAT campaign that chains a socially engineered batch file, hidden PowerShell execution, AutoIt abuse and process injection to…

2 months ago

Hackers Steal Active Directory Password Hashes Without Attacking Domain Controllers Directly

Threat actors are increasingly exploiting Active Directory replication mechanisms to steal password hashes without directly compromising a domain controller. This…

2 months ago

China-Linked Hackers Exploit Chrome and Windows Zero-Days in BlueMoon Attacks

Researcher has discovered a rapidly spreading exploit kit called BlueMoon, which combines vulnerabilities in the Chrome browser with a Windows…

2 months ago