Tecogen discloses ransomware attack on April 28; network restored by May 1

TECOGEN INC.

Attack was a spear phishing attempt via the company's VPN; traces found on two workstations.
Hard disks of affected workstations permanently removed; files restored from prior evening's backup.
Network fully operational by May 1, 2023; all passwords changed and user accounts audited.
VPN access disabled pending implementation of multi-factor authentication for network and workstations.
Company reviewing improved cyber threat protection software and hardware solutions.

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