What is "cyberstorm"

Cyberstrom is a science fiction novel by Canadian author Matthew Mather. It follows Mike Mitchel, a resident of New York City, who is trying to keep his family together when he is thrust into new problems of staying alive. A massive snowstorm strikes the East Coast of the United States during an unknown cyber attack from unknown source(s). Mike Mitchel must work to keep his family and friends safe as the winter storm and the cyberstorm drag on.