Chinese Hackers Target Taiwan’s Semiconductor Sector with Cobalt Strike, Custom Backdoors
The Taiwanese semiconductor industry has become the target of spear-phishing campaigns undertaken by three Chinese state-sponsored threat actors. “Targets of these campaigns ranged from organizations involved in the manufacturing, design, and testing of...
Cisco Warns of Critical ISE Flaw Allowing Unauthenticated Attackers to Execute Root Code
Cisco has disclosed a new maximum-severity security vulnerability impacting Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) that could permit an attacker to execute arbitrary code on the underlying operating system with elevated...
Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms
Cybersecurity researchers have flagged a new variant of a known malware loader called Matanbuchus that packs in significant features to enhance its stealth and evade detection. Matanbuchus is the name given to a malware-as-a-service (MaaS) offering that can act as a...
UNC6148 Backdoors Fully-Patched SonicWall SMA 100 Series Devices with OVERSTEP Rootkit
A threat activity cluster has been observed targeting fully-patched end-of-life SonicWall Secure Mobile Access (SMA) 100 series appliances as part of a campaign designed to drop a backdoor called OVERSTEP. The malicious activity, dating back to at least October 2024,...
Critical Golden dMSA Attack in Windows Server 2025 Enables Cross-Domain Attacks and Persistent Access
Cybersecurity researchers have disclosed what they say is a “critical design flaw” in delegated Managed Service Accounts (dMSAs) introduced in Windows Server 2025. “The flaw can result in high-impact attacks, enabling cross-domain lateral movement...
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