Ransomware
14 articles in this category
Warlock Ransomware Breaches SmarterTools Through Unpatched SmarterMail Server
Warlock ransomware breached SmarterTools via unpatched SmarterMail, exploiting critical flaws to access Windows systems and deploy encryption payloads, affecting 12 Windows servers and hosted customers using SmarterTrack
Osiris Ransomware Leverages POORTRY Driver in Novel BYOVD Attack
The newly discovered Osiris ransomware strain utilized a custom POORTRY driver in a Bring Your Own Vulnerable Driver (BYOVD) attack, resulting in data theft and security tool disabling in November 2025.
U.S. Prosecutors Indict Cybersecurity Insiders for BlackCat Ransomware Attacks
Federal prosecutors in the U.S. have indicted three cybersecurity professionals for orchestrating BlackCat ransomware attacks on five companies between May and November 2023, highlighting the risks of insider threats in the cybersecurity sector.
Qilin Ransomware Combines Linux Payload With BYOVD Exploit in Hybrid Attack
Qilin ransomware, a Russian-speaking threat group, has targeted 84 victims monthly since 2025, using RMM tools, BYOVD exploits, and backup system breaches to deploy hybrid attacks across multiple sectors.