The eruption of Mount Etna, Europe's biggest volcano, in 2002 caused economic losses of $900 million in the months that followed. Currently, some 500 million people worldwide live near 1,500 active volcanoes. (Credit: saiko3p/Shutterstock.com) Companies in North America face the greatest risk exposures from the attacks, according to the cyber analytics specialist, as U.S. organizations are more likely to be using the affected Microsoft servers. (Credit: Oleksii/stock.adobe.com)

The insurance and reinsurance industries are likely to see a "long-tail of attritional claims" stemming from a series of cyberattacks on MS Exchange, Microsoft's best-selling email service, according to cyber analytics firm CyberCube. The associated claims are likely to focus on legal, forensic and clean-up costs.

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Steve Hallo

Steve Hallo is managing editor of PropertyCasualty360.com. He can be reached at [email protected]