Tag: denial-of-access attack

Cybersecurity Threat Advisory
Cybersecurity Threat Advisory: GhostLock – A new denial-of-availability attack technique

Cybersecurity Threat Advisory: GhostLock – A new denial-of-availability attack technique

GhostLock is a newly disclosed attack technique that abuses the Windows CreateFileW API to lock enterprise files by requesting exclusive, deny‑share handles. Read this Cybersecurity Threat Advisory to learn how to limit your organization’s exposure to this attack. What is...

/ May 14, 2026