The SideWinder advanced persistent threat group has emerged with a sophisticated new attack methodology that leverages ClickOnce applications to deploy StealerBot malware against diplomatic and governmental targets across South Asia. In September 2025, security researchers detected a targeted campaign affecting institutions in Sri Lanka, Pakistan, Bangladesh, and diplomatic missions based in India. The attacks represent […] The post SideWinder Hacking Group Uses ClickOnce-Based Infection Chain to Deploy StealerBot Malware appeared first on Cyber Security News.

The Advanced Persistent Threat group MuddyWater, widely recognized as an Iran-linked espionage actor, has orchestrated a sophisticated phishing campaign targeting more than 100 government entities and international organizations across the Middle East, North Africa, and beyond. The operation, which became active in mid-August 2025, represents a significant escalation in the group’s tradecraft, introducing version 4 […] The post MuddyWater Using New Malware Toolkit to Deliver Phoenix Backdoor Malware to International Organizations appeared first on Cyber Security News.