The Chubb Group ( CB - news - people ).

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With only a handful in the business, including Fireman's Fund and the Chubb Group, these firms make it their business to understand the film industry and its players.

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Insurance analysts estimate the impact could wipe out as much as a quarter of profits for companies with significant exposure to the area, which include Allstate, Travelers and Chubb Group.

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Ken Goldstein, the worldwide media liability expert at Chubb Group of Insurance Companies, says that all companies should have a policy in place for how their employers can talk about the company on social media, and that they should be training employees to understand defamation, privacy, and intellectual property.

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However, he soon realized that as his job changed, he'd get to meet a whole new group of Chubb executives.

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In fact, the 53-year-old chairman of the offshore-based Ace Limited is taking a bite out of such U.S. insurance giants as Chubb, Hartford Financial Services and the American International Group (AIG).

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Arch Capital Group is down nearly 5% over last Tuesday, Chubb Corporation has fallen nearly 7% and Allstate has lost almost 9% of its market capitalization, despite announcing third quarter earnings that beat Wall Street estimates on Friday.

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