Google warns of group UNC3753 posing as IT technicians to enter offices (heise.de)

• UNC3753 poses as IT technicians to physically enter offices.
• Social engineering via phone/email; uses remote access software.
• Exfiltrates gigabytes of data; extorts victims.
• FBI warned about this tactic in 2024.

"Google Threat Intelligence Group reports that hacker group UNC3753 impersonates IT support staff to gain physical access to victims' offices and steal data via USB drives. Targets include US law firms, insurance, finance, and healthcare companies. The group uses social engineering and remote access tools before resorting to physical intrusion."