New Osiris Ransomware Emerges as New Strain Using POORTRY Driver in BYOVD Attack

Cybersecurity researchers have disclosed details of a new ransomware family called Osiris that targeted a major food service franchisee operator in Southeast Asia in November 2025. The attack leveraged a malicious driver called POORTRY as part of a known technique referred to as bring your own...

Scattered Spider: The Modus Operandi

Scattered Spider: The Modus Operandi By Trellix · August 17, 2023 This story was also written by Phelix Oluoch Executive Summary Scattered Spider, also referred to as UNC3944, Scatter Swine, and Muddled Libra, is a financially motivated threat actor group that has been active since May 2022...

Threat Group UNC3944 Abusing Azure Serial Console for Total VM Takeover

A financially motivated cyber actor has been observed abusing Microsoft Azure Serial Console on virtual machines VMs to install third-party remote management tools within compromised environments. Google-owned Mandiant attributed the activity to a threat group it tracks under the name UNC3944 ,...