APT / THREAT GROUP
Nightmare
1
aliases
Intelligence Profile
ransomware
Threat Analysis
Nightmare is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
Intelligence Reports Mentioning Nightmare
New GreatXML Exploit Bypasses Windows BitLocker via Recovery Partition XML Files
The Hacker News· Jun 11, 2026
Microsoft Defender RoguePlanet Zero-Day Grants SYSTEM Access on Updated Windows
The Hacker News· Jun 10, 2026
Microsoft Slams Public Zero-Day Disclosures Amid GitHub Researcher Account Removal
The Hacker News· May 28, 2026
Hackable Robot Lawn Mower Unlocks a New Nightmare
Wired Security· May 9, 2026
Nightmare-Eclipse Tooling Seen in Real-World Intrusion
Huntress Blog· Apr 20, 2026
Why the shift left dream has become a nightmare for security and developers
BleepingComputer· Feb 20, 2026
Quick Facts
TypeAPT / Threat Group
Aliases1
Also Known As
Nightmare
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.