UNC3753

Pierluigi Paganini June 08, 2026
UNC3753 Escalates: From Vishing Calls to Physical Office Intrusions at US Legal and Financial Firms

UNC3753 phones staff posing as IT, hijacks screen sessions, steals sensitive legal files, and now sends operatives physically into offices to plug in USB drives. Google Mandiant and the Google Threat Intelligence Group published a detailed report documenting an active extortion campaign carried out by the cybercrime group UNC3753 (aka Luna Moth, Chatty Spider, and […]