Abstract

AbstractThe sun seems to be our greatest blessing. It gives us warmth, lights our day, provides the seasons, and marks time. But it can also be our undoing. Throughout history, the sun occasionally ejects a billion‐ton plume of superheated, ionized gas—known as a coronal mass ejection (CME). If this massive bubble of plasma and radiation is aimed directly at Earth, it can seriously damage our technology.Prior to a hundred years ago, these solar events simply produced spectacular aurora displays that caused great fear—but did little long‐lasting damage to society. But these severe solar storms are no longer harmless. Our dependence on vulnerable modern technology has put us in great danger. Indeed, a direct hit by a massive CME could knock out satellites and cause widespread power failures—which cannot be repaired or restored quickly.So how can you protect your IT systems and your business from this potentially catastrophic danger? And what should our society do to protect all of us? © 2012 Wiley Periodicals, Inc.

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