Operation GriefLure: Dissecting an APT Campaign Targeting Vietnam’s Military Telecom & Philippine Healthcare

Operation GriefLure is a highly sophisticated China-linked cyber-espionage campaign that weaponizes authentic, legally sensitive documents stolen from real victims to deliver modular, fileless malware via Living-off-the-Land techniques, targeting Vietnam’s military telecom and Philippine healthcare sectors with near-undetectable spear phishing attacks.