Volt Typhoon Breaches US Electric Grid

Volt Typhoon, a subgroup of a Chinese APT, compromised a Massachusetts power utility for over 300 days, marking the first known breach of the US electric grid by this group. The attackers aimed to exfiltrate critical OT infrastructure data, raising national security concerns.

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Mar 14, 2025 1 min read

⚡️ Volt Typhoon hits Massachusetts power utility, marking the first known US grid compromise by the Voltzite subgroup. A 300+ day attack aimed at critical OT data. #CyberSecurity #InfrastructureSafety

Volt Typhoon, a Chinese APT subgroup, infiltrated a Massachusetts power utility.
The attack lasted over 300 days, targeting critical OT infrastructure data.
This breach is the first known compromise of the US electric grid by this group, highlighting significant security risks.

Dark Reading: Volt Typhoon Strikes Massachusetts Power Utility