Well the answer happens to be yes.  A recent article in Ars technica explains

In the U.S. in 2011, the Department of Homeland Security informed the Economic Development Authority  and the National Oceanic and Atmospheric Administration (NOAA) that there was a possible malaware infection within department’s  systems.

The NOAA isolated and cleaned up the problem within a few weeks.

The EDA, however, responded by isolating it’s system from the rest of the world disabling its enterprise e-mail system and leaving its regional offices no way of accessing centrally held databases.

It then employed a security contractor to look for malaware and provide guarantees that not only were EDA’s systems clean, but also that they were impregnable against malaware. The contractor declared the systems largely clean but could not provide a guarantee, malaware was found on six systems and was easily repaired.

The department fearing it was under attack from a nation-state destroyed not only (uninfected) desktop computers but also printers, cameras, keyboards, and even mice. The destruction only stopped because the agency had run out of money to pay for destroying the hardware at a cost of $2.7 million.

The fear of attack from a nation state is not without precedent in March 2013 hackers were responsible for an attack  that wiped tens of thousands of computers in South Korea see Hard drive-wiping malware that hit South Korea tied to military espionage

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