Tool
BigDiskBuster
- First Reported
- Oct 5, 2026
- Latest Reported
- Oct 6, 2026
Reported Context (2)
- Dubbed "BigDiskBuster" by researchers from LevelBlue, the PoC was originally published on Sept. 19 by security researcher and former Microsoft employee Abdelhamid Naceri, who goes by MSNightmare (aka Nightmare-Eclipse). BigDiskBuster PoC Can Block Microsoft Defender Updates While Protection Remains Active
- A new proof of concept called BigDiskBuster, published on GitHub on September 19, 2026, by the actor known as MSNightmare, shows that Defender doesn't need to be disabled to stop receiving updates, it just needs a much BigDiskBuster PoC Can Silently Block Microsoft Defender Updates by Exhausting Disk Space
People (5)
MITRE ATT&CK (1)
Vendors (3)
Products (3)
Tools (3)
Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.