The National Guard has been preparing for a major cyber attack that would bring down utilities across the US, after the hack of the Colonial Pipeline brought the nation's fuel supply to its knees.

Troops from across the New England region practiced tackling a massive simulated breach across critical infrastructure sectors including power, water and gas during a two-week training exercise this month.

The exercise involved a situation where a huge cyber attack targeted utilities on the West Coast before moving east across the country.

Much like in a real-life scenario, National Guardsmen worked alongside government agencies - including the FBI, the Department of Homeland Security's Cybersecurity and Infrastructure Security Agency, the Federal Energy Regulatory Commission, and US Cyber Command - as well as private sector utility partners to respond to the crisis.
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