New Osiris Ransomware Emerges as New Strain Using POORTRY Driver in BYOVD Attack
23.01.2026
8224
Experts uncovered a new Osiris ransomware strain that used a custom POORTRY driver in a BYOVD attack to disable security tools & steal data in 2025.
New Osiris Ransomware Emerges as New Strain Using POORTRY Driver in BYOVD Attack
Experts uncovered a new Osiris ransomware strain that used a custom POORTRY driver in a BYOVD attack to disable security tools & steal data in 2025.
Published by Ravie Lakshmanan on January 22, 2026. This article covers the emergence of a new Osiris ransomware variant leveraging a custom POORTRY driver in a Bring Your Own Vulnerable Driver (BYOVD) attack to compromise systems.
- • BYOVD Attack
- • Cybercrime
- • cybersecurity
- • endpoint security
- • enterprise security
- • Incident response
- • Malware
- • ransomware
- • Threat Intelligence
#BYOVD Attack#malware#ransomware#enterprise security#threat intelligence
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