In a recent incident response (IR) case, we discovered highly customized malware targeting Exchange infrastructure within government environments. Analysis of detection logs and clues within the sample suggests that the Exchange server was likely compromised via a known N-day vulnerability. Our in-depth analysis of the malware revealed a sophisticated, multi-functionalRead More »GhostContainer backdoor: malware compromising Exchange servers of high-value organizations in Asia

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 semiconductors and integrated circuits, wider equipment and services supply chain entities within this sector, as well asRead More »Chinese Hackers Target Taiwan’s Semiconductor Sector with Cobalt Strike, Custom Backdoors

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 privileges. Tracked as CVE-2025-20337, the shortcoming carries a CVSS score of 10.0 and isRead More »Cisco Warns of Critical ISE Flaw Allowing Unauthenticated Attackers to Execute Root Code

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 conduit for next-stage payloads, including Cobalt Strike beacons andRead More »Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms

75% of organizations have building management systems with known exploited vulnerabilities.