Recent research by Dragos reveals that the Volt Typhoon threat group, linked to the VOLTZITE collective, infiltrated the Littleton Electric Light and Water Department (LELWD) in Massachusetts and had undetected access for over 300 days. The intrusion, identified late in 2023 while the utility was enhancing its OT security, did not compromise customer data but raised alarms about vulnerabilities in critical national infrastructure. Experts stress that the incident highlights urgent needs for improved security measures in the CNI sector to counter nation-state threats effectively.
"This latest Volt Typhoon intrusion into the US electric grid is a serious escalation in cyber-enabled espionage, highlighting the vulnerabilities of critical infrastructure (CI) in the face of persistent threats from nation-state actors."
"The fact that Chinese hackers remained undetected for over 300 days inside a small public utility's network is concerning, not only because of the extended dwell time but also due to the implications for national security."
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